Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Osamu Watanabe Shin-Etsu Chemical Co. 14
2 Masaki Ohashi Shin-Etsu Chemical Co. 9
3 Ken Hayashi Nifco 1
3 Kazuhiro Katayama Shin-Etsu Chemical Co. 1