Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Alex B. Chapman R. R. Donnelley & Sons 1
1 Hermann J. Kage R. R. Donnelley & Sons 1
1 Wade A. Eden R. R. Donnelley & Sons 1
1 Don E. Detterman R. R. Donnelley & Sons 1

Part of Ohio