Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Kenjiro Watanabe Canon 2
2 Takuya Takimoto Kaken Pharmaceutical Co. 1
2 Katsuhisa Saeki Kao 1
2 Ken Kihira Kaken Pharmaceutical Co. 1