Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–3 of 3 inventors

Rank Inventor Primary Company Patents
1 Takeo Iino Koyo Seiko Co. 2
2 Toru Uchikurohane Nihon Nohyaku Co. 1
2 Eiji Hashimoto Fujisawa Pharmaceutical Co. 1