Japan's Top Inventions S2022E12 - 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.