Japan's Top Inventions

Home Blood Pressure Monitors / Test Patterns (5x1)

Air date: Jan 08, 2022

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.