Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Takahiro Umeno Umicore Shokubai Japan Co. 1
1 Shota KAWASHIMA Osaka Gas Co. 1
1 Masaya Hanzawa Umicore Shokubai Japan Co. 1
1 Masaya Nakai Aisin Aw Co. 1