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Japan's Top Inventions

Latest episode

S9 E13 · Tofu Snack Bars

About Japan's Top Inventions

Japan's Top Inventions is a documentary TV series that premiered on NHK WORLD-JAPAN on March 18, 2018. It has 9 seasons and 119 episodes so far and is still airing new episodes. The latest episode, Season 9 Episode 13 "Tofu Snack Bars", aired on September 30, 2026.

Japanese inventions are used and loved around the world. Through interviews and reenactments, go behind the scenes and discover how Japanese craftsmanship brought these top inventions into being.

  • Documentary

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Episodes

119 episodes · 9 seasons

Season 1

2018 · 10 episodes · Last episode: 7 years ago

Japan's Top Inventions Season 1 release dates →
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    10. Erasable Pens

    Finale

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, we feature erasable pens, which allow users to erase their writing just like with pencil. Released in 2006, these pens' usefulness has made them a hit: over 2 billion have been sold in some 100 countries and regions around the world. Discover the unknown story of these erasable pens, whose creation was inspired by the changing leaves of autumn.

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    9. Handheld Calculators

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, we focus on electronic calculators. Pocket-sized calculators have become so common that everyone can have one, and are still used today. The world's first pocket-sized calculator was developed in Japan in 1972, and made calculators available to the general public for the first time. Let's discover the story behind its creation, including inspiration from a surprising source: bowling!

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    8. Gastrocameras

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time we focus on gastrocameras, which have led to a revolution in cancer treatment. The first gastrocamera, the predecessor of those now used by hospitals around the world, was developed in Japan in 1950. We probe the untold drama behind the creation of the gastrocamera and look into the technological evolution that continues today.

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    7. Portable Music Players

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, the gadget that lets you enjoy music anytime, anywhere with just a pair of headphones: the portable music player. The world's first of these portable players was developed by a Japanese manufacturer in 1979. Listening to music on the go is now a part of daily life around the world. This time, the story of the invention that made it all possible.

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    6. Instant Ramen

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, a product first produced in Japan in 1958: instant ramen. With over 100 billion servings eaten every year, this instant meal has become a worldwide staple. The inspiration for this invention came from a surprising source: the deep-fried Japanese dish known as tempura. This time, we bite into the story behind instant ramen, a food loved around the world.

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    5. Quartz Wristwatches

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, quartz wristwatches, which caused a "timepiece revolution" with their accurate timing. Built in Japan in 1969, the world's first quartz wristwatch drifted only 0.2 seconds a day, making it about 100 times more accurate than previous watches. Even now, 96% of watches around the world use the same system. We trace the drama behind the creation of this super-accurate timepiece.

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    4. Electronic Bidet Toilets

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. On this episode, electronic bidet toilets, which clean your bottom with a spray of warm water. On sale since 1980, some 40 million of these toilet seats have shipped, and are now sold in many countries and regions including the U.S. and China. But the creation of this high-tech, revolutionary product was anything but easy. This time, the dramatic tale behind electronic bidet toilets.

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    3. Automatic Rice Cookers

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, electric rice cookers, which create fluffy, great-tasting rice with the press of a button. Developed in Japan in 1955, these automated rice cookers keep growing in popularity: in 2016, exports hit a record high. In Asia and around the world, this invention plays an essential role in creating rice-based dishes. This time, the unknown story behind the birth of the electric rice cooker.

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    2. Shinkansen

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time: the Shinkansen, sometimes called the bullet train, which set a new record for high-speed rail, 256km/h, in its trial runs. The inspiration for unlocking that incredible speed came from aerodynamic airplanes. Shinkansen technology is now being adopted around the world in places like the UK and Taiwan. This time, we discover the drama behind the creation of this high-speed invention.

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    1. Conveyor Belt Sushi

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. On this episode, we discover conveyor belt sushi, an invention that's trundled its way to countries and regions around the world. The technology, in which plates of sushi are delivered via a rotating conveyor belt, actually traces its origins to a single eureka moment in a beer factory in 1950's Japan. This time, the inside story of the one man who brought this Top Invention to life.

Season 2

2019 · 16 episodes · Last episode: 6 years ago

Japan's Top Inventions Season 2 release dates →
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    16. Spinning Top Toys

    Finale

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, spinning top toys, which have sold some 450 million units in over 80 countries and regions. Created by a Japanese firm in 1999, these tops, called Beyblades, are beloved by children worldwide. There was even a world championship held in Paris in 2018! This time, we take a spin into the story behind these toys, and learn how their creators were inspired by rock-paper-scissors.

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    15. Blue LEDs

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, blue LEDs, or light-emitting diodes. The world's first blue LEDs were created in 1989 by a research team at Nagoya University. These LEDs, now used in lightbulbs, smartphone screens, automobile headlights, and more sparked a lighting revolution. Discover the little-known story behind this Nobel Prize-winning invention.

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    14. Umami Seasoning

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, umami seasoning. Umami, one of the 5 basic tastes, was christened by chemist Kikunae Ikeda. Ikeda traced it to the glutamate found in kombu kelp dashi stock, an essential part of Japanese cuisine. The umami seasoning invented by Ikeda became a long-selling hit, and is now used in over 100 countries and regions. Discover the little-known tale of this hit culinary invention.

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    13. Special Effects Monster Movie

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, the special effects movie that introduced the world to Japan's most famous monster: Godzilla. The franchise, which now spans 29 Japanese films and multiple Hollywood remakes, all started in 1954 with the help of special effects director Eiji Tsuburaya. Learn the little-known tale behind Godzilla's creation, plus the latest monster movie news!

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    12. Probiotic Drinks

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, probiotic drinks, now consumed in 40 countries and regions. They were created by Yakult founder Minoru Shirota, who succeeded in cultivating strong lactic acid bacteria that could survive digestive fluids. With the philosophy "a healthy intestinal tract leads to a long life," Shirota spread his probiotic drink far and wide. Join us and learn more about the story behind these drinks.

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    11. Cup Ramen

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, the food you can eat anytime, anywhere, with no need for bowls or plates: Cup ramen. Invented by Momofuku Ando in an attempt to spread his instant ramen worldwide, Cup ramen has been sold in over 80 countries and regions to date. And an incredible 40 billion cups have been sold! This time, slurp up the secrets behind this hit cup-based Japanese invention.

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    10. Shock Resistant Wristwatches

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, durable timepieces that don't break when dropped: shock resistant wristwatches. These unique watches were created by a Japanese firm in 1983, and are now available in 138 countries and regions. Over 100 million units have been shipped to date. Discover their surprising inspiration -- a child playing with a rubber ball in a park -- and more in the little-known story behind this invention.

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    9. Fiber Tip Pens

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, fiber tip pens, invented by a Japanese stationery firm in 1963. These water-based pens improved on the firm's oil-based pens, whose ink feathered and bled. Thanks to early user Lyndon Johnson, 36th President of the United States, they became a hit. Some 2.2 billion have been produced and sold in over 100 countries and regions. This time, the little-known story behind fiber tip pens.

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    8. Cooling Gel Sheets

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, cooling gel sheets, which can be applied to the forehead for cooling relief when you're feeling feverish. These sheets were developed in Japan in 1994, and were inspired by none other than a certain pub dish! The sheets are now sold in some 20 countries and regions, and about 400 million are used per year. Join us as we discover the little-known story behind Japan's cooling gel sheets.

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    7. Pedal Assist Electric Bicycles

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, pedal assist electric bicycles, which give you a helpful boost of power when you pedal and help you enjoy relaxed cycling even on steep hills. The first pedal assist electric bicycles were produced in 1993 in Japan, and these revolutionary inventions are now used and loved worldwide. We pedal into the little-known, behind-the-scenes story of how these bicycles were invented.

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    6. Video Game Character

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, one of the world's most famous video game characters: Pac-Man. The iconic yellow ball with a mouth that gobbles up dots and runs away from ghosts was born in Japan in 1980, and holds the world record for "most successful coin-operated arcade game." Discover the backstory behind this iconic character, including how its shape was inspired by none other than pizza!

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    5. Stay-Tight Fasteners

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, a product used in over 20 countries and regions: stay-tight fasteners, nuts used with bolts in railroads, bridges, towers, and more. When normal nuts experience vibration, they sometimes come loose. But stay-tight fasteners, developed in Japan in 1974, overcame this problem. Learn the dramatic story behind the nuts, including a surprising spot that inspired their creation: a shrine!

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    4. Compact Motorcycles

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, we take a ride on Japan's world-beloved compact motorcycles. Over 100 million of these revolutionary compact motorcycles have been produced to date. They were developed by Soichiro Honda, whose company, named after Honda himself, became world-renowned in a single generation. Join us as we ride into the unknown tale of this brilliant engineer's trailblazing compact motorcycles.

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    3. Makeup Brushes

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, an essential part of any makeup kit: makeup brushes known in Japanese as fude. The very first of these brushes, now known as some of the best in the world, were created in Japan in 1981, and were inspired by the traditional fude used in Japanese calligraphy. We dive into the story behind the Japanese fude brushes that caused a revolution in the world of makeup.

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    2. Acrylic Aquarium Panels

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, an invention used around the world: acrylic aquarium panels. The very first of those panels was born in Japan in 1969 -- and the distinctive techniques used to make it were inspired by a type of noodle eaten in Japan since times long past: udon! Dive into the story behind the dramatic birth of acrylic panels, which sparked an aquarium revolution, and see how they've continued to evolve.

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    1. Snap-Off Utility Knives

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, we focus on utility knives whose blades, when they become dull, can be snapped off, revealing fresh blades underneath. These knives were invented in 1956 by a Japanese man who took his inspiration from both a "waste not, want not" philosophy and ... chocolate! We cut into the untold drama behind the creation of this revolutionary product, which changed the way the world thinks about utility knives.

Season 3

2020 · 16 episodes · Last episode: 5 years ago

Japan's Top Inventions Season 3 release dates →
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    16. Personal Information Protection Stamps

    Finale

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, personal information protection stamps: rubber stamps that make mail addresses unreadable. Just stamp, and a unique alphabetic pattern renders the underlying text illegible. These stamps were invented in 2007 to help protect personal information. We discover the story behind these stamps, now sold in over 20 countries and regions, and learn about the latest models.

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    15. Bottled Green Tea

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, bottled green tea: green tea sold in bottles made from PET plastic. Loved in over 30 countries and regions, it was developed by a Japanese beverage maker in 1990 using special techniques to keep the tea tasting great when bottled. We dive into the little-known story behind this drink, which is expanding worldwide among health-conscious consumers, and learn about the latest versions.

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    14. Fresh Freezing System

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, an invention that uses magnetic force to help freeze food without destroying its cell structure: a "fresh freezing" system. It was developed by a Japanese venture firm in 1995 as a technology that would help freeze food without altering its flavor. We look into the story behind its creation, inspired in part by microwaves, and learn about the latest versions.

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    13. Palm Vein Authentication

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, an invention with which you confirm your identity just by holding out your palm: palm vein authentication. This world's first biometric technology, developed by a large Japanese manufacturer in 2003, reads the unique vein patterns in the palm to verify users' identities. It's now used in over 60 countries and regions. Discover the little-known origin story behind this top invention.

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    12. Dinosaur Robots

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, an invention installed in museums around the world: dinosaur robots. Using cylinders that expand and contract with air pressure to replicate realistic movements, these robots make it look as if the dinosaurs are really alive. We discover the little-known story of how Japanese inventors made these robots look so real.

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    11. Robotic Exoskeletons

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, robotic exoskeletons, machines that turn humans into cyborgs! They were invented by professor and business founder Sankai Yoshiyuki, who created them for people who have trouble walking, such as the elderly or those who have suffered strokes. We dive into the little-known story behind the development of the world's first robotic exoskeletons.

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    10. Automatic Thread Trimmer Sewing Machines

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, a product used and loved in garment factories worldwide: automatic thread trimmer sewing machines. Just press a foot pedal, and the threads attached to stitched pieces of cloth are automatically cut. From high-end brands to fast fashion, these machines are used by garment makers around the world. This time, we dive into the little-known story behind their invention.

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    9. Surgical Microscope Stand

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, a surgical microscope stand used in neurosurgery. Invented by an optics company in Tokyo, it features a unique piece of tech which keeps the microscope in focus even when it moves. Discover the little-known story behind this invention, partially inspired by equipment used to observe outer space!

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    8. Film Farming

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, a method of growing produce using a transparent film: film farming. The film is made from hydrogel, a moisture-absorbing material used in disposable diapers. Sow seeds on top, and they germinate and create seedlings, leading to vegetables and other produce without soil! We dive into the little-known story behind this unique Japanese farming technology.

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    7. Worksheet Study Method

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, the worksheet study method known as "Kumon." Invented in 1958 by math teacher Kumon Toru for his son, the method involves self-study with math problems printed on worksheets. Using the sheets, learners improve their academic ability in small steps. Today the method is used by over 4 million students in 57 countries and regions. Dive into the little-known story behind this method.

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    6. Water Purifying Powder

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, an invention that makes dirty water clean: water-purifying powder. This powder was invented in 2002, and is now used in some 80 developing countries in places like Asia and Africa. It employs polyglutamic acid, which is found in natto, Japan's sticky fermented soybeans! We discover the tale behind this powder, including its inspiration: a huge earthquake that hits Kobe, Japan.

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    5. 2D Barcodes

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, a well-known type of 2D barcodes called QR codes. These codes were invented in 1994 by a Japanese car component manufacturer. These days, they're used throughout the world in factories and stores, on travel tickets, for cash-free payments and more. Learn the little-known story behind these barcodes, including their unusual inspirations: the game of Go and skyscrapers!

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    4. Miniature Video Cameras

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, we look at miniature video cameras, used worldwide. In 1989, a Japanese firm created the smallest, lightest video camera in the world, which was the length of a Japanese passport. It helped people all over capture precious memories, like their children's growth and important vacations. We look into the little-known story behind the creation of these video cameras.

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    3. Emoji

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, emoji, the ideograms like smileys, hearts and food that help add fun to text messages. Now used in messages and emails worldwide every day, the first set of emoji was created in Japan in 1999 for the relatively small cell phone screens of the time. Dive in and discover the little-known origin story of emoji.

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    2. Glow in the Dark Pigments

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, glow in the dark pigments, which absorb light to glow in the dark. A version of these pigments that contain no radioactive substances was invented in Japan in 1993. They're now used worldwide in products like watch faces and emergency signage. We learn the little-known story behind the pigments' creation, including how they were born from a company in danger of closing down.

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    1. Home Bread Makers

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, home bread makers. These bread makers, first released in Japan in 1987, allow you to bake fresh bread at home by simply adding the ingredients and pushing a button. With over 10 million units shipped to 26 countries and regions, they're beloved worldwide. This time, the little-known story behind the 3 years of hard baking work involved in their creation.

Season 4

2021 · 8 episodes · Last episode: 4 years ago

Japan's Top Inventions Season 4 release dates →
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    8. Radio Controlled Watches / Encrusting Machines

    Finale

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half of the show, we cover the world's first full metal case radio controlled watch, created by a Japanese watch manufacturer in 2003. In the second half: devices known as encrusting machines, which make food items with fillings. We visit the Japanese company that makes these devices which are used in over 126 countries and regions worldwide.

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    7. Camera Phones / Electron Microscopes

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half, the story behind Japanese camera phones, created in the early 2000s, which many later devices took design cues from. In the second half, electron microscopes, an essential tool in the development of new medicines to treat COVID-19, and a visit to the Tokyo electronics manufacturer that has over 60% of the global market share for these devices.

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    6. Sushi Robots / Refractometers

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half of the program, we cover the secrets behind the development of sushi robots, which automatically grip and mold rice, and have helped spread sushi around the world. In the second half of the program, we introduce refractometers, which instantly display the sugar content of fruit when a few drops of fruit juice are added.

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    5. Body Fat Scales / Luggage Rack Mirrors

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half, the world's first scales on which you can measure your body fat percentage just by stepping on. In the second half, luggage rack mirrors installed in airplanes. Helping people easily check for lost items, they are now used by over 100 airlines around the world.

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    4. Neurosurgical Instruments / Weather Meters

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half of the show, the story behind neurosurgical instruments used and loved by surgeons in over 50 countries and regions. In the second half, weather meters, machines which reproduce outdoor conditions like sunlight. They're used to test how products like apparel, cars, housing materials, appliances and more stand up to environmental conditions.

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    3. Home Gaming Console / Smartphone Springs

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. Our host is Jason Danielson, a comedian who performs in Japan. We dive into the story behind one of the best-selling home gaming consoles of all time. Next, we look into the tiny springs used in smartphone cameras to reduce lens shake, and the company that makes these springs. Its springs are used in some 40% of smartphones that feature optical image stabilization!

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    2. Handheld Digital Pets

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, the story behind the handheld digital pets known as Tamagotchi. Released by a Japanese toy maker in 1996, these toys let owners "raise" an on-screen digital pet, feeding it, putting it to bed, playing with it and more. We dig into the little-known story behind the creation of these handheld digital pets, a giant hit in some 30 countries and regions.

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    1. Planetariums

    The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, planetariums, which realistically reproduce the look of the starry night sky. In 2014, a Japanese firm succeeded in creating a planetarium projector that displays each of the approximately 9,500 stars visible to the naked eye in incredible detail, including accurate coloring. We dive into the story behind the creation of that top invention and learn about the latest models.

Season 5

2022 · 14 episodes · Last episode: 3 years ago

Japan's Top Inventions Season 5 release dates →
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    14. Correction Tape / Water Filter Media

    Finale

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: the story behind correction tape, the office supply that lets people fix mistakes made in pen. In the second half: water filter media that's used in 80% of Japan's water treatment facilities.

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    13. Lithium Ion Batteries / Dust Collectors for Tunnel Construction

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: the story behind lithium-ion batteries, a key part of smartphones, laptops and electric vehicles. In the second half: dust collectors for tunnel construction, which help keep workers safe at worksites around the world.

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    12. Fish Finders / Medical Simulators

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: the story behind fish finders made by a Japanese company, first used in 1948 and now found in over 80 countries and regions worldwide. In the second half: medical simulators used by medical professionals for training that look and feel real.

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    11. Low Pain Needles / Sports Wheelchairs

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: the story behind needles which cause less pain during injection, developed by a Japanese company in 2005. In the second half: sports wheelchairs made by a Japanese company which have helped athletes win over 140 medals in the Paralympic events like tennis and wheelchair racing.

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    10. Pulse Oximeters / Egg Grading & Packing Systems

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: pulse oximeters that measure blood oxygen saturation, which have saved many lives during the COVID-19 pandemic. In the second half: egg grading & packing systems which clean eggs, check for cracks, sort and pack them. We introduce these systems that are used in over 70 countries and regions worldwide.

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    9. Mosquito Coils / Screw Removal Tools

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: the story behind mosquito coils, invented by a Japanese company, which help prevent mosquito-borne diseases around the world. In the second half: we introduce screw removal tools that can remove stripped screws when a normal screwdriver can't.

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    8. Canned Bread / Automatic Dorayaki Machines

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: the story behind canned bread developed by a Japanese bakery in 1996 which doesn't go stale easily and has a long shelf-life. In the second half: a machine that makes Dorayaki, a Japanese sweet with red bean paste sandwiched by pancakes. We introduce this unique machine that's also being used to make other sandwich pancakes around the world.

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    7. Landmine Clearance Machines / Linear Guides

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: the story behind landmine clearance machines developed by a Japanese company in 1998 which are used to safely detonate mines. In the second half: linear guides which facilitate smooth mechanical motion. We introduce the Japanese technology that's used in things like airplane seats and CT scanners.

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    6. Ventilators for Premature Babies / Electron Beam Lithography Systems

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: the story behind ventilators developed by a Japanese company in 1984 which provide critical care for premature babies. In the second half: electron beam lithography systems, capable of drawing the finest lines in the world. We introduce the Japanese technology that's being used by researchers at universities around the world.

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    5. High-Capacity Optical Disks / Automatic Skewer Machines

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: high-capacity optical disks capable of recording many hours of high-definition shows off the TV, developed by a major Japanese manufacturer in 2002. In the second half: automatic skewer machines used in over 40 countries and regions worldwide. We show off this unique invention that was first made for chicken skewers.

  11. Japan's Top Inventions S5 E4 still E4

    4. Surgical Needles / Pharmaceutical Manufacturing Equipment

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: the story behind the world's smallest surgical needlesΓÇöonly 0.03mm in diameter. In the second half: pharmaceutical manufacturing equipment essential for making pills. They apply coatings which allow easier ingestion and controlled release of the medicine. We go behind the scenes with the Japanese company that develops this equipment.

  12. Japan's Top Inventions S5 E3 still E3

    3. Laptop Computers / Purification & Separation Systems

    p share of niche markets. In the first half: the story behind laptops developed by a Japanese company in 1985 that created a huge new market for portable computers. In the second half: purification & separation systems that isolate and extract specific compounds from other organic compounds. We go behind the scenes with a Japanese company that develops this technology.

  13. Japan's Top Inventions S5 E2 still E2

    2. Drawing Tablets / Cascades (Airplane Component)

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: the story behind the development of drawing tablets created in 1987 that are used for comics, animation and commercial design. In the second half: cascades, an important airplane component. We go behind the scenes with the Japanese company that controls over 90% of the global market share for these components.

  14. Japan's Top Inventions S5 E1 still E1

    1. Home Blood Pressure Monitors / Test Patterns

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: the story behind home blood pressure monitors that use fuzzy logic, developed by a Japanese company in 1991. In the second half: test patterns with colorful gradients and fine lines used to evaluate the performance of photocopiers. We visit the Japanese printing company that holds around 90% of the global market share for these patterns.

Season 6

2023 · 11 episodes · Last episode: 2 years ago

Japan's Top Inventions Season 6 release dates →
  1. Japan's Top Inventions S6 E11 still E11

    11. Home Water Purifiers / Plastic Valves

    Finale

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. This time: home water purifiers & plastic valves.

  2. Japan's Top Inventions S6 E10 still E10

    10. Car Navigation Systems / Vapor Heat Treatment Systems

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: the story behind car navigation systems, developed by a major Japanese car manufacturer in 1981. In the second half: vapor heat treatment systems which remove pests from fruit.

  3. Japan's Top Inventions S6 E9 still E9

    9. Lint Rollers / Rotating Beacon Lights

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: the story behind lint rollers which can be used to clean floors. In the second half: rotating beacon lights found on police cars, made by a company with 80% of the Japanese market share.

  4. Japan's Top Inventions S6 E8 still E8

    8. Stand-Up Personal Watercrafts / Rice Crackers with Peanuts

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: the story behind highly maneuverable stand-up personal watercrafts. In the second half: rice crackers with peanuts, an ever-popular snack in Japan.

  5. Japan's Top Inventions S6 E7 still E7

    7. Ultra-High-Speed Elevators / Carton Filling Machines

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: the story behind an ultra-high-speed elevator capable of traveling 1,260 meters per minute, the fastest in the world. In the second half: carton-filling machines used for juice boxes and milk cartons.

  6. Japan's Top Inventions S6 E6 still E6

    6. Cockroach Traps / Residential Maps

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: the story behind cockroach traps with sticky sheets that trap bugs inside. In the second half: residential maps which help emergency vehicles like ambulances, fire trucks and police cars get to the scene quickly.

  7. Japan's Top Inventions S6 E5 still E5

    5. Piano with Silent System / Plastic Food Models

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: the story behind the piano with silent system, developed for people with a need to practice quietly, which created a new category of silent instruments. In the second half: plastic food models displayed at restaurants which look like real food.

  8. Japan's Top Inventions S6 E4 still E4

    4. Imitation Crab / Monorail Transporters

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: the story behind imitation crab, invented over 50 years ago and now enjoyed around the world. In the second half: monorail transporters installed on inclines on farmland which help farmers carry their produce.

  9. Japan's Top Inventions S6 E3 still E3

    3. Online Karaoke Services / Umbrella Bagging Machines

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: the story behind online karaoke services which allow the latest songs to be transmitted over the net and sparked a karaoke boom in Japan. In the second half: umbrella bagging machines which allow people to easily cover a wet umbrella with a plastic bag.

  10. Japan's Top Inventions S6 E2 still E2

    2. Automatic Door Sensors / Banknote Printing Machines

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: the story behind automatic door sensors which detect people using the far-infrared radiation they emit. In the second half: banknote printing machines used in Japan and around the world, in places like the UK and India.

  11. Japan's Top Inventions S6 E1 still E1

    1. Automatic Ticket Gates / Tool Setters

    The fascinating stories and secrets behind hit Japanese products, plus parts and machines that boast the top share of niche markets. In the first half: the story behind automatic ticket gates, developed by a Japanese company in the 1960s and installed at train stations throughout Japan. In the second half: tool setters that can accurately measure the length of drill bits for precision machining to within one thousandth of a millimeter.

Season 7

2024 · 12 episodes · Last episode: 1 year ago

Japan's Top Inventions Season 7 release dates →
  1. Japan's Top Inventions S7 E12 still E12

    12. Seismic Oil Dampers / Fabric Trim

    Finale

    The stories behind hit Japanese products, plus top creations for niche markets. This time: seismic oil dampers & fabric trim.

  2. Japan's Top Inventions S7 E11 still E11

    11. Jet-Air Hand Dryers / Artificial Teeth

    The stories behind hit Japanese products, plus top creations for niche markets. This time: jet-air hand dryers & artificial teeth.

  3. Japan's Top Inventions S7 E10 still E10

    10. Multihead Weighers / Aircraft Interior Products

    The stories behind hit Japanese products, plus top creations for niche markets. This time: multihead weighers & aircraft interior products.

  4. Japan's Top Inventions S7 E9 still E9

    9. Tactile Paving / Crab Stick Machines

    The stories behind hit Japanese products, plus top creations for niche markets. This time: tactile paving & crab stick machines.

  5. Japan's Top Inventions S7 E8 still E8

    8. Artificial Leather / Blood Test Needles

    The stories behind hit Japanese products, plus top creations for niche markets. This time: artificial leather & blood test needles.

  6. Japan's Top Inventions S7 E7 still E7

    7. Diagnostic Ultrasound Machines / Sports Balls

    The stories behind hit Japanese products, plus top creations for niche markets. This time: diagnostic ultrasound machines & sports balls.

  7. Japan's Top Inventions S7 E6 still E6

    6. Fan-Cooled Workwear / Marine Cargo Tanks

    The stories behind hit Japanese products, plus top creations for niche markets. This time: fan-cooled workwear and marine cargo tanks.

  8. Japan's Top Inventions S7 E5 still E5

    5. Singing Synthesizers / Solder

    The stories behind hit Japanese products, plus top creations for niche markets. This time: singing synthesizers & solder.

  9. Japan's Top Inventions S7 E4 still E4

    4. Contactless IC Cards / Wasabi Packets

    The stories behind hit Japanese products, plus top creations for niche markets. This time: contactless IC cards & wasabi packets.

  10. Japan's Top Inventions S7 E3 still E3

    3. Cultured Pearls / Casting Systems

    The stories behind hit Japanese products, plus top creations for niche markets. This time: cultured pearls & casting systems.

  11. Japan's Top Inventions S7 E2 still E2

    2. Letter Sorting Machines / Exhaust Gas Analyzers

    The stories behind hit Japanese products, plus top creations for niche markets. This time: letter sorting machines & exhaust gas analyzers.

  12. Japan's Top Inventions S7 E1 still E1

    1. Direct Drive Turntables / Natto

    The stories behind hit Japanese products, plus top creations for niche markets. This time: direct drive turntables & natto.

Season 8

2025 · 19 episodes · Last episode: 10 months ago

Japan's Top Inventions Season 8 release dates →
  1. Japan's Top Inventions S8 E19 still E19

    19. Automated Ginjo Koji Makers

    Finale

    Discover the stories behind renowned Japanese products alongside our reporter. This time: Automated Ginjo Koji Makers.

  2. Japan's Top Inventions S8 E18 still E18

    18. Water Jet Cutters

    Discover the stories behind renowned Japanese products alongside our reporter. This time: Water Jet Cutters.

  3. Japan's Top Inventions S8 E17 still E17

    17. Cosmetic Sponges

    Discover the stories behind renowned Japanese products alongside our reporter. This time: cosmetic sponges.

  4. Japan's Top Inventions S8 E16 still E16

    16. Eggshell Field Chalk

    Discover the stories behind renowned Japanese products alongside our reporter. This time: eggshell field chalk.

  5. Japan's Top Inventions S8 E15 still E15

    15. Capsule Beds

    Discover the stories behind renowned Japanese products alongside our reporter. This time: capsule beds.

  6. Japan's Top Inventions S8 E14 still E14

    14. Curved Escalators

    Discover the stories behind renowned Japanese products alongside our reporter. This time: curved escalators.

  7. Japan's Top Inventions S8 E13 still E13

    13. Laser Flaw Inspection Systems

    Discover the stories behind renowned Japanese products alongside our reporter. This time: laser flaw inspection systems.

  8. Japan's Top Inventions S8 E12 still E12

    12. Motorized Conveyor Rollers

    Discover the stories behind renowned Japanese products alongside our reporter. This time: motorized conveyor rollers.

  9. Japan's Top Inventions S8 E11 still E11

    11. Super-absorbent Towels

    Discover the stories behind renowned Japanese products alongside our reporter. This time: super-absorbent towels.

  10. Japan's Top Inventions S8 E10 still E10

    10. Smokeless Grills

    Discover the stories behind renowned Japanese products alongside our reporter. This time: smokeless grills.

  11. Japan's Top Inventions S8 E9 still E9

    9. Frozen Food Vending Machines

    Discover the stories behind renowned Japanese products alongside our reporter. This time: frozen food vending machines.

  12. Japan's Top Inventions S8 E8 still E8

    8. Heat-resistant Labels

    Discover the stories behind renowned Japanese products alongside our reporter. This time: heat-resistant labels.

  13. Japan's Top Inventions S8 E7 still E7

    7. Lotion Tissues

    Discover the stories behind renowned Japanese products alongside our reporter. This time: lotion tissues.

  14. Japan's Top Inventions S8 E6 still E6

    6. Capsule Figures

    Discover the stories behind renowned Japanese products alongside our reporter. This time: Capsule Figures.

  15. Japan's Top Inventions S8 E5 still E5

    5. Massage Chairs

    Discover the stories behind renowned Japanese products alongside our reporter. This time: Massage chairs.

  16. Japan's Top Inventions S8 E4 still E4

    4. Non-sprinkler Snow Melting Systems / Security Equipment

    The stories behind hit Japanese products, plus top creations for niche markets. This time: Non-sprinkler snow melting systems and security equipment.

  17. Japan's Top Inventions S8 E3 still E3

    3. Press-in Piling Machines / Virus Removal Filters

    The stories behind hit Japanese products, plus top creations for niche markets. This time: Press-in piling machines and virus removal filters.

  18. Japan's Top Inventions S8 E2 still E2

    2. Ultra-thin Silk Fabrics / Membrane Structures

    The stories behind hit Japanese products, plus top creations for niche markets. This time: ultra-thin silk fabrics and membrane structures.

  19. Japan's Top Inventions S8 E1 still E1

    1. Rhythm Machines / Food Packaging

    The stories behind hit Japanese products, plus top creations for niche markets. This time: rhythm machines and food packaging.

Season 9

2026 · 13 episodes · Last episode: 1 month ago

Japan's Top Inventions Season 9 release dates →
  1. E13

    13. Tofu Snack Bars

    Discover the stories behind renowned Japanese products alongside our reporter. This time: tofu snack bars.

  2. Japan's Top Inventions S9 E12 still E12

    12. Dissolving Microneedles

    Discover the stories behind renowned Japanese products alongside our reporter. This time: dissolving microneedles.

  3. Japan's Top Inventions S9 E11 still E11

    11. Center Bridge Knee Braces

    Discover the stories behind renowned Japanese products alongside our reporter. This time: center bridge knee braces.

  4. Japan's Top Inventions S9 E10 still E10

    10. Pre-Inked Stamps

    Discover the stories behind renowned Japanese products alongside our reporter. This time: pre-inked stamps.

  5. Japan's Top Inventions S9 E9 still E9

    9. Silica Gel Rotors

    Discover the stories behind renowned Japanese products alongside our reporter. This time: silica gel rotors.

  6. Japan's Top Inventions S9 E8 still E8

    8. Taste Sensing Systems

    Discover the stories behind renowned Japanese products alongside our reporter. This time: taste sensing systems.

  7. Japan's Top Inventions S9 E7 still E7

    7. Concrete Testing Equipment

    Discover the stories behind renowned Japanese products alongside our reporter. This time: concrete testing equipment.

  8. Japan's Top Inventions S9 E6 still E6

    6. Automatic Floodgates

    Discover the stories behind renowned Japanese products alongside our reporter. This time: automatic floodgates.

  9. Japan's Top Inventions S9 E5 still E5

    5. Luminescent Ceramic Tiles

    Discover the stories behind renowned Japanese products alongside our reporter. This time: luminescent ceramic tiles.

  10. Japan's Top Inventions S9 E4 still E4

    4. Liquid Glass Coating

    Discover the stories behind renowned Japanese products alongside our reporter. This time: liquid glass coating.

  11. Japan's Top Inventions S9 E3 still E3

    3. Concentrated Laundry Detergent

    Discover the stories behind renowned Japanese products alongside our reporter. This time: concentrated laundry detergent.

  12. Japan's Top Inventions S9 E2 still E2

    2. Portable Fetal Monitors

    Discover the stories behind renowned Japanese products alongside our reporter. This time: portable fetal monitors.

  13. Japan's Top Inventions S9 E1 still E1

    1. Non-Loosening Bolts

    Discover the stories behind renowned Japanese products alongside our reporter. This time: non-loosening bolts.

Cast & crew

  • Jason Atsugiri

    Self - Host

Japan's Top Inventions FAQ

When is the next episode of Japan's Top Inventions?

A date for the next episode of Japan's Top Inventions hasn't been announced yet. Follow Japan's Top Inventions in the Streambay app and you'll be notified as soon as a new episode airs.

When did the latest episode of Japan's Top Inventions come out?

The most recent episode of Japan's Top Inventions, Season 9 Episode 13 "Tofu Snack Bars", aired on September 30, 2026.

How many seasons of Japan's Top Inventions are there?

Japan's Top Inventions has 9 seasons with 119 episodes in total.

When did Japan's Top Inventions first air?

Japan's Top Inventions first aired on NHK WORLD-JAPAN on March 18, 2018.

How do I get notified when new episodes of Japan's Top Inventions are released?

Download the Streambay app, follow Japan's Top Inventions, and you'll get a push notification the moment each new episode is released.

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