Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Masanori Yoshida Nihon Nohyaku Co. 4
2 Susumu Miyata Fujisawa Pharmaceutical Co. 1
2 Eiji Hashimoto Fujisawa Pharmaceutical Co. 1
2 Koji Kato Mitsui Chemicals 1