Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Yoshiharu Sawa Kyowa Chemical Industry Co. 2
2 Masatsugu Kimura Mitsubishi Chemical 1
2 Masami Kinouchi Mitsubishi Chemical 1
2 Shingo Sogame Mitsubishi Chemical 1