Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–6 of 6 inventors

Rank Inventor Primary Company Patents
1 Teiji Kimura Eisai R&D Management Co. 6
2 Ken Yoshimura Sumitomo Chemical 2
2 Alexander S. Parfenov Compound Photonics Limited 2
#4 Yusuke Ishii Yoshino Kogyosho Co. 1
#4 Masayuki Oshima Smc 1
#4 Takahiko Kurosawa Jsr 1

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