Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 William Ronald Greenwood 1
1 Lap-Yan Chung 1
1 Graham Redfearn Ilford Imaging Switzerland Gmbh 1
1 Graham J. Earl Ineos Silicas 1
1 Paul Corscadden N V Bekaert Sa 1