Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–12 of 12 inventors

Rank Inventor Primary Company Patents
1 Takao Yoshitsugu Sumitomo Electric Industries 3
1 Shuji Akiyama Tokyo Electron Limited 3
1 Akinori Oka Otsuka Chemical Co. 3
#4 Yutaka Kamogi Minebea Mitsumi 1
#4 Mitsunobu Nakase Nidec 1
#4 Hiroko Kawamoto Unknown 1
#4 Hironobu Nishida Sumitomo Electric Industries 1
#4 Kunio Matsubara Fuji Electric Co. 1
#4 Shouichi Yoshikawa Asmo Co. 1
#4 Akihiko Wakitani Sumitomo Electric Industries 1
#4 Shuntaro Kosugi Sharp Kabushiki Kaisha 1
#4 Mikio Umehara Minebea Mitsumi 1