Japan's Top Inventions - Season 5 Episode 10

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: pulse oximeters that measure blood oxygen saturation, which have saved many lives during the COVID-19 pandemic. In the second half: egg grading & packing systems which clean eggs, check for cracks, sort and pack them. We introduce these systems that are used in over 70 countries and regions worldwide.