Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Akira Nishizono Eisai R&D Management Co. 1
1 Kentaro Yamada 1
1 Toshimasa Ishizaki 1
1 Shigeru Matsuoka 1
1 Akira Katoh 1