Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Rolf Hecker The Procter & Gamble 1
1 Hans Frickel Merck 1
1 Harry Erfurt Symrise Ag 1
1 Guenter Natus Dieffenbacher Schenck Panel Gmbh 1
1 Karl Schanz Roehm Gmbh Chemische Fabrik 1