Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–3 of 3 inventors

Rank Inventor Primary Company Patents
1 Satoshi Matsumoto Nippon Shokubai Co. 3
2 Hiroo Hayashi Kabushiki Kaisha Toshiba 2
3 Tsunehisa Kimura Polymatech Co. 1

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