Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Franco Marciandi Montedison S.P.A. 1
1 Romano Castelli Negri Bossi S.P.A. 1
1 Alberto Luca Stasi Atofina 1
1 Pierangelo Calini Solvay Solexis S.P.A. 1