Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Isao Funyuu Hitachi 3
2 Hideya Kokubun Hitachi 1
2 Takeo Yamagata Alps Electric Co. 1
2 Makoto Kakiuti Takeda Chemical Industries 1
2 Shinichi Hosaka Hitachi 1