Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Masaharu Miyahara Sumitomo Electric Industries 2
2 Hiroshi Yasuda Sankyo Holdings Co. 1
2 Shoichi Horie Yoshitomi Pharmaceutical Industries 1
2 Tsuyoshi Tokiwa Sumitomo Electric Industries 1
2 Masao Hisadome Yoshitomi Pharmaceutical Industries 1