Japan's Top Inventions (2018) : 4x7

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 Japanese camera phones, created in the early 2000s, which many later devices took design cues from. In the second half, electron microscopes, an essential tool in the development of new medicines to treat COVID-19, and a visit to the Tokyo electronics manufacturer that has over 60% of the global market share for these devices.