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Japan's Top Inventions

Season 9 · Episode 14

Gel Ink Pens

0.015mNovember 11, 2026

Discover the stories behind renowned Japanese products alongside our reporter. This time: gel ink pens.

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Episode 1Non-Loosening Bolts
Episode 2Portable Fetal Monitors
Episode 3Concentrated Laundry Detergent
Episode 4Liquid Glass Coating
Episode 5Luminescent Ceramic Tiles
Episode 6Automatic Floodgates
Episode 7Concrete Testing Equipment
Episode 8Taste Sensing Systems

Episode 9

Silica Gel Rotors

Episode 10Pre-Inked Stamps

Episode 11Center Bridge Knee Braces

Episode 12Dissolving Microneedles

Episode 13Tofu Snack Bars

Episode 14Gel Ink Pens