Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–19 of 19 inventors

Rank Inventor Primary Company Patents
1 Fumi Hara Taiyo Yuden Co. 5
2 Masuo Hirota Wacom Co. 3
3 Kenji Teramoto Mitsubishi Electric 2
3 Tsuneaki Kawaguchi Hitachi 2
3 Takuo Kodaira Taiyo Yuden Co. 2
3 Satoru Tsuchida Hitachi Chemical Company 2
#7 Fujio Koga Horiba 1
#7 Akiko Fujita Mitsubishi Chemical 1
#7 Takuya Monden Mitsubishi Electric 1
#7 Hisahiro Yasuda Taiyo Yuden Co. 1
#7 Atsushi Shimoishi Kabushiki Kaisha Top 1
#7 Shigeru Kishi East Japan Railway 1
#7 Ichiro Shimomura 1
#7 Kentaro Yamamura Tokyo Electron Limited 1
#7 Kenji Miharu Du Pont-Mitsui Polychemicals Co. 1
#7 Sachie Shizuka Seiko Epson 1
#7 Asao Kominato Mitsubishi Chemical 1
#7 Takeshi Hiramoto Nihon Sanmo Dyeing Co. 1
#7 Takayoshi Kaizuka Sinanen Zeomic Co. 1