Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–8 of 8 inventors

Rank Inventor Primary Company Patents
1 Kenichi Sato Sumitomo Electric Industries 8
1 Tetsuya Nakamura Kabushiki Kaisha Toshiba 8
3 Satoshi Iwasaki Minolta 2
#4 Kenji Hayakawa Enplas 1
#4 Toshihiko Fujii Shin-Etsu Chemical Co. 1
#4 Kousei Endo Tomy Company 1
#4 Takayuki Sone Yokowo Co. 1
#4 Takahiro Goi Shin-Etsu Chemical Co. 1