Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–8 of 8 inventors

Rank Inventor Primary Company Patents
1 Hideo Nishibayashi Colin 2
1 Toru Tabei Nippon Kayaku 2
3 Kenichi Yaguchi Mitsubishi Materials 1
3 Naoto Izumo A&D Company, Limited 1
3 Susumu Shimada Dowa Mining Co. 1
3 Eisuke Kanagawa 1
3 Tohru Ishizuka Shin-Etsu Handotai Co. 1
3 Kozo Miyoshi Citizen Watch Co. 1