Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–10 of 10 inventors

Rank Inventor Primary Company Patents
1 Fumitoshi Yamashita Sumitomo Electric Industries 5
2 Mitsuhiro Okada Tokyo Electron Limited 4
3 Hiroyuki Furusaki Minebea Co. 2
3 Tomoaki Nakano Denso 2
#5 Tatsuya Kanemaru Shin-Etsu Chemical Co. 1
#5 Hirotaka Fujita Hitachi Plant Technologies 1
#5 Katsufumi Ohkouchi Minebea Motor Manufacturing 1
#5 Hidenori Mizukami Minebea Motor Manufacturing 1
#5 Umeo Tsuyusaki Citizen Holdings Co. 1
#5 Hiroyuki Ohtsuka Shin-Etsu Chemical Co. 1