Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–12 of 12 inventors

Rank Inventor Primary Company Patents
1 Shinichi Takeda Canon 4
1 Kiyoshi Sasagawa Hitachi High-Technologies 4
3 Yoshihito Yamada Toshiba Mitsubishi-Electric Industrial Systems 3
3 Yoshio Morishige Hitachi High-Technologies 3
3 Kazumi Nagano Canon 3
#6 Tomoyuki Oike Canon 2
#6 Naoaki Maruyama Canon 2
#6 Takuaki Sekiguchi Hitachi High-Technologies 2
#9 Kenya Takarai Hitachi 1
#9 Tetsuyai Watanabe Hitachi 1
#9 Tamaki Kobayashi Canon 1
#9 Masashi Shiozawa Kabushiki Kaisha Toshiba 1