Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Istvan Szelenyi Ludwig Heumann & Co. Gmbh 1
1 Patrik Hartmann Roehm Gmbh & Co. Kg 1
1 Ralf Merbach Evonik Röhm Gmbh 1
1 Michael Loehr IBM 1