Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–14 of 14 inventors

Rank Inventor Primary Company Patents
1 Ken Izumori National University Corporation Kagawa University 3
1 Isao Fuke The Research Foundation For Microbial Diseases Of Osaka University 3
3 Koji Murao National University Corporation Kagawa University 1
3 Maho Yasuda Arkema France 1
3 Tomohiko Taminato Fushimi Pharmaceutical Co. 1
3 Toshifumi Itano Fushimi Pharmaceutical Co. 1
3 Motoo Yoda Tadano 1
3 Ichiro Ishimaru National University Corporation Kagawa University 1
3 Toshihiko Ishida Fushimi Pharmaceutical Co. 1
3 Fusao Shimokawa NTT 1
3 Taizo Tasaka Fushimi Pharmaceutical Co. 1
3 Michitaka Honda Kabushiki Kaisha Toshiba 1
3 Osamu Yoshimoto Teikoku Seiyaku Co. 1
3 Yoshiaki Kamigaki Hitachi 1