Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–8 of 8 inventors

Rank Inventor Primary Company Patents
1 Kouichi Ikeda Niigata Seimitsu Co. 2
1 Junzo Suzuki Victor Company Of Japan 2
3 Fumiaki Kasahara Jtekt 1
3 Nobuyoshi Murakami Koyo Seiko Co. 1
3 Nobuyuki Matsunaka Sumitomo Electric Industries 1
3 Junya Ooitsu Koyo Seiko Co. 1
3 Yasutoshi Masuda Yamato Scale Co. 1
3 Taisuke Tsujimoto Denso 1