Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Chisato Mishima Aichi Steel 1
1 Tetsuo Ichimaru Sankyo Seiki Seisakusho 1
1 Hirotsugu Horio Daido Tokushuko 1
1 Hironari Mitarai Aichi Steel 1
1 Hideo Arakawa Hitachi 1