Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Marc Esch Elf Atochem S.A. 2
2 Emmanuelle Petitjean Total Raffinage Marketing 1
2 Michel Tosi Atofina 1
2 Michael Azzaretto 1