Watch Japan's Top Inventions Season 5 Episode 13 Online
- COUNTRIES: Japan
- Subtitles: English
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 lithium-ion batteries, a key part of smartphones, laptops and electric vehicles. In the second half: dust collectors for tunnel construction, which help keep workers safe at worksites around the world.
