Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–10 of 10 inventors

Rank Inventor Primary Company Patents
1 Yoshihiko Nishizawa Murata Manufacturing Co. 3
1 Seiichi Hara Ajinomoto Co. 3
3 Yukako Kodama Kikkoman 1
3 Hiroshi Murata Toyo Suisan Kaisha 1
3 Jun Nakazato Canon 1
3 Saburo Wakita Mitsubishi Materials 1
3 Kazuyuki Suenaga Victor Company Of Japan 1
3 Takayuki Yamazaki Toyo Suisan Kaisha 1
3 Tetsuya Kishimoto Hitachi 1
3 Kozo Hirokawa Kikkoman 1