Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Brookfield, OH ranks #19,530 worldwide for total patents filed all time, with 69 patents from 18 inventors. Leading employers of inventors based in Brookfield, OH include Delphi Technologies, Cts, Target Brands.

Showing 1–18 of 18 inventors

Rank Inventor Primary Company Patents
1 James D. Daugherty Delphi Technologies 19
2 John Jablonski Cts 12
3 Charles T. Graves Target Brands 7
3 William E. Cross General Motors 7
3 Gene E. Kirila, II 7
#6 Richard E. Bouser 2
#6 Renee M. Keller 2
#6 Daniel T. Quinlan Delphi Technologies 2
#6 Thomas Jerry Kirila 2
#10 Robert J. Fabrey 1
#10 John J. Chelbus Engelhard 1
#10 Alec Lukasko 1
#10 Raymond A. Zagger General Motors 1
#10 Paul S. Ghirardi General Motors 1
#10 Jay M. Curry General American Transportation 1
#10 Edmond E. Conner Westinghouse Electric 1
#10 Edward Mortimer 1
#10 Domenic G. Lombardi 1

Part of Ohio