Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–9 of 9 inventors

Rank Inventor Primary Company Patents
1 Shigeki Nagase Jtekt 5
2 Yoshitomo Tokumoto Koyo Seiko Co. 2
2 Toyomi Yonemaru Sharp Kabushiki Kaisha 2
#4 Kouji Morishige Borgwarner 1
#4 Norio Nakatani Jtekt 1
#4 Kouichi Takenouchi Sharp Kabushiki Kaisha 1
#4 Ryouhei Hayama Jtekt 1
#4 Akinobu Tsuda Nissan Diesel Motor Co. 1
#4 Naoji Sakamoto Borg-Warner Automotive K.K. 1