Japan's Top Inventions - Season 5 Episode 4

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 the world's smallest surgical needlesΓÇöonly 0.03mm in diameter. In the second half: pharmaceutical manufacturing equipment essential for making pills. They apply coatings which allow easier ingestion and controlled release of the medicine. We go behind the scenes with the Japanese company that develops this equipment.