Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Cortland, OH ranks #4,652 worldwide for total patents filed all time, with 587 patents from 132 inventors. Leading employers of inventors based in Cortland, OH include General Motors, Emerson Retail Services, Delphi Technologies. That works out to 82.6 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 132 inventors

Rank Inventor Primary Company Patents
1 Joseph H. Gladd General Motors 36
2 Robert E. Steele General Motors 33
3 Thomas Mathews Emerson Retail Services 32
#4 Melissa Rodrigo 25
#5 John H. Bakker Delphi Technologies 21
#6 Duane L. Brantingham Aptiv Technologies Ag 19
#6 Kurt P. Seifert Aptiv Technologies Ag 19
#6 Robert Kundel, Sr. Kundel Industries 19
#9 Carl A. Wollam Alcan Aluminum 14
#10 Michael Flynn Thomas Nortel Networks Limited 13
#11 Matthew L. Penn Aptiv Technologies Ag 12
#12 Steven William Marzo Delphi Technologies 11
#12 Joseph Matthew Senk Delphi Technologies 11
#12 Nicole L. Liptak Delphi Technologies 11
#12 John L. Wicks Delphi Technologies 11
#16 Bruce D. Taylor Delphi Technologies 10
#16 Thomas A. Volpone Delphi Technologies 10
#18 Ronald Zupancich Martin Marietta Materials 9
#18 Stephan H. Schramme Frametome Connectors Interlock 9
#18 Michael J. Demonica Delphi Technologies 9
#21 Stewart Yang Google 8
#21 Brian D. Pasha Delphi Technologies 8
#23 Justin J. Styer Bridgestone Americas Tire Operations 7
#23 Joseph A. Wilson Borgwarner 7
#23 David E. McClelland Australian National University 7
#26 Douglas A. Young Microsoft 6
#26 George Powell, Jr. Aptiv Technologies Ag 6
#26 Roland E. Cale Schaefer Equipment 6
#29 Ronald A. Baldwin Delphi Technologies 5
#29 John Raymond Metzger General Motors 5
#29 Nick M. Loprire Delphi Technologies 5
#29 John M. Sova General Motors 5
#33 Gregory L. Bensing General Motors 4
#33 Wes Rinker Diebold Election Systems 4
#33 Norman H. Fobes Wean United 4
#33 Larry Dix Carte International 4
#33 John J. O'Keefe, II Tyco Electronics Co. 4
#33 Robert Kundel, Jr. Kundel Industries 4
#33 Peter T. Bucco Aptiv Technologies Ag 4
#33 Steven P. Ragalyi Aptiv Technologies Ag 4
#33 Paul Di Liello General Motors 4
#42 Jeffrey S. Kiko Delphi Technologies 3
#42 Aaron Dillon Monroe General Motors 3
#42 Samuel Edward Penn General Motors 3
#42 Melodee A. Chapin General Motors 3
#42 Klara P. Carbone Delphi Technologies 3
#42 Carl E Cook 3
#42 James A. Gourash Delphi Technologies 3
#42 Emil J. Tolnar, Jr. General Motors 3
#42 Mario Tama Ajax Magnethermic 3

Part of Ohio