Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–8 of 8 inventors

Rank Inventor Primary Company Patents
1 Ken Ishii Osaka University 3
1 Yoichi Yagasaki Sony 3
3 Masaru Kawamura Canon 2
3 Takashi Ueki Tokyo Gas Co. 2
3 Jin-Keun Choi Hitachi 2
3 Amit Kumar Agrawal Amazon 2
#7 Satoshi Nagata Medical & Biological Laboratories Co. 1
#7 Robert Milliken Hardigg Industries 1

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