Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–14 of 14 inventors

Rank Inventor Primary Company Patents
1 Masaaki Toguchi Elmo Co. 4
2 Ryo Hanai Kumiai Chemical Industry Co. 3
3 Yoshitaka Kamiya Olympus 2
#4 Yuzuru Takamura Japan Advanced Institute Of Science And Technology 1
#4 Hiroyuki Yano Ihara Chemical Industry Co. 1
#4 Yasushi Akiyama Az Electronic Materials Usa 1
#4 Masatoshi Egawa Yazaki 1
#4 Masato Akagi Glory 1
#4 Kenzo Fujimoto Japan Science And Technology Agency 1
#4 Tokio Oi Cataler 1
#4 Toshiki Nakayama Canon 1
#4 Yoshinaga Yoshimura Japan Science And Technology Agency 1
#4 Shinya Ohki Japan Advanced Institute Of Science And Technology 1
#4 Masahiro Kanamaru Yazaki 1