Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–26 of 26 inventors

Rank Inventor Primary Company Patents
1 Shigeo Kamamoto Jtekt 5
2 Yoshifumi Shige Jtekt 2
2 Toshiharu Ishihara Denso 2
2 Tomoyuki Takei Showa Denko K.K. 2
2 Hiroyuki Shigemura Dai Nippon Printing Co. 2
2 Masanori Arima Jtekt 2
#7 Tomomasa Machida Koyo Seiko Co. 1
#7 Fumiaki Kasahara Jtekt 1
#7 Hirofumi Dodoro Jtekt 1
#7 Masahiro Kiji Jtekt 1
#7 Mahito Shiba Koyo Seiko Co. 1
#7 Yoshiaki Nagashio Jtekt 1
#7 Junji Aoki Horiba 1
#7 Katsumi Nakano Kashiwara Seitai Co. 1
#7 Takashi Sada Jtekt 1
#7 Kiyoshi Tanimoto Jtekt 1
#7 Changxin Yu Jtekt 1
#7 Shingo Takayama Jtekt 1
#7 Hideki Inomoto Toyo Tanso Co. 1
#7 Tatsuma Kouchi Jtekt 1
#7 Kimihito Chino Jtekt 1
#7 Shinsuke Wai Jtekt 1
#7 Hidetaka Otsuki Jtekt 1
#7 Shinji Soma Jtekt 1
#7 Tomomasa Kubo Koyo Seiko Co. 1
#7 Atsunori Okada Panasonic 1