Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Yukitsugu Maeda Daicel 1
1 Kouhei Fujita Daicel 1
1 Masatake Kudoh Daicel 1
1 Takafumi Imoto Fujisawa Pharmaceutical Co. 1
1 Yasuyuki Aiura Nippon Soda Co. 1