Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–11 of 11 inventors

Rank Inventor Primary Company Patents
1 Kazunori Natsume Koito Manufacturing Co. 2
1 Kazuo Konabe Du Pont-Mitsui Fluorochemicals Co. 2
3 Hiroki Ohsumimoto Bridgestone 1
3 Akihiro Yokoyama Harmonic Drive Systems 1
3 Hideki Kemmochi Yamaha 1
3 Kazuyoshi Uematsu Niigata University 1
3 Takeshi Endou Komatsu 1
3 Takahiko Iwasaki Nihon Dempa Kogyo Co. 1
3 Hirohiko Ohshio Koito Manufacturing Co. 1
3 Tomio Yoshikawa Hitachi 1
3 Shinichi Irisawa Koito Manufacturing Co. 1