Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Katsuya Miki Daicel Chemical Industries 1
1 Kazuaki Furukawa Daicel Chemical Industries 1
1 Hidekazu Akamatsu Daicel Chemical Industries 1
1 Tadayuki Mitani Daicel Chemical Industries 1