Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–3 of 3 inventors

Rank Inventor Primary Company Patents
1 Hirokazu Banba Nippon Zoki Pharmaceutical Co. 2
1 Kenji Sakakibara Nippon Zoki Pharmaceutical Co. 2
3 Akira Bonkohara Kawasumi Laboratories 1