Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–15 of 15 inventors

Rank Inventor Primary Company Patents
1 David R. Fenn Ppg Industries Ohio 4
1 Gregory J. McCollum Ppg Industries Ohio 4
3 Shanti Swarup Ppg Industries Ohio 3
3 Anthony M. Chasser Ppg Industries Ohio 3
3 Barry Mark Skirble Aethon 3
#6 Craig A. Wilson Ppg Industries Ohio 2
#6 Dennis J. O'Shaughnessy Vitro Flat Glass 2
#8 Xiaoming Li Ii-Vi Delaware 1
#8 Yun-Bo Long Johnson Health Tech Co. 1
#8 Cathy A. Taylor Ppg Industries Ohio 1
#8 William H. Retsch, Jr. Ppg Industries Ohio 1
#8 Brian K. Rearick Ppg Industries Ohio 1
#8 Richard Morton Bayer Healthcare 1
#8 Brad S. Veldkamp Pleotint, L.L.C. 1
#8 Susan F. Donaldson Ppg Industries Ohio 1

Part of Pennsylvania