Japan's Top Inventions - Season 5 - Eps 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.
About Japan's Top Inventions

Title: Japan's Top Inventions
First Air Date: 2018-03-18
Last Air Date: 2025-03-29
Status: Returning Series
Rating: 0/10 (from 0 votes)
Language: EN
Seasons: 8
Total Episodes: 93
Network: NHK WORLD-JAPAN
Genres: Documentary
Production Companies: NHK, Japan International Broadcasting (JIB)
Synopsis
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.