Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–17 of 17 inventors

Rank Inventor Primary Company Patents
1 Fumiharu Ogawa Aisin Aw Co. 3
2 Akitoshi Yamanaka Denso 2
2 Sadao Sakakibara Toyoda Van Moppes 2
2 Hidekazu Oomura Denso 2
2 Mitsuyo Oomura Denso 2
#6 Yoshitomo Oguma Denso 1
#6 Eiji Isogai Nippon Steel 1
#6 Yoshinori Ishihara Honda Motor Co. 1
#6 Akira Nakai Aisin Seiki Kabushiki Kaisha 1
#6 Noriyuki Fujii Jtekt 1
#6 Norihito Kimura Denso 1
#6 Masanori Onoda Aisin Aw Co. 1
#6 Eijirou Yamada Denso 1
#6 Shinji Sumiya Denso 1
#6 Kazuyoshi Sumiya Denso 1
#6 Masato Kitajima Toyoda Koki Kabushiki Kaisha 1
#6 Shota YAMANAKA Aisan Kogyo Kabushiki Kaisha 1