Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–7 of 7 inventors

Rank Inventor Primary Company Patents
1 Soichi Kato Zexel Gmbh 2
2 Jun Chikazawa Zeria Pharmaceutical Co. 1
2 Eiichi Nagano Zeria Pharmaceutical Co. 1
2 Yoshihisa Okuda Hitachi Automotive Systems 1
2 Tomoyuki Yoneta Zeria Pharmaceutical Co. 1
2 Nobuyuki Tsukagoshi Bridgestone 1
2 Daimon Okumura Kabushiki Kaisha Toshiba 1