Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Bruno Piastra Clariant Finance (Bvi) Limited 4
2 Michel Gimbatti A. Raymond & Cie 1
2 François Turpin Vantico 1
2 Jacques Francois Ciba-Geigy 1