Japan's Top Inventions - Season 5 Episode 14

Japan's Top Inventions - Season 5 Episode 14 - Documentary TV Shows 26:14. story about 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.