Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Peter Gruter 1
1 Markus Frey Ciba Specialty Chemicals 1
1 Roger Lagadec Willi Studer Ag 1
1 Jean-Claude Oppliger Grapha-Holding Ag 1