Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Annie Madrange L'Oreal 1
1 Laurent Gilbert Rhone-Poulenc Chimie 1
1 Jean Guesnon Institut Francais Du Petrole 1
1 Yves Couillard 1