Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Chicago, IL ranks #82 worldwide for total patents filed all time, with 63,287 patents from 13,327 inventors. Leading employers of inventors based in Chicago, IL include Outerwall, Apple, Rush University Medical Center. That works out to 23.0 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 8,501–8,550 of 13,327 inventors

Rank Inventor Primary Company Patents
#7538 Nicole Marie Roden Outerwall 1
#7538 Jean S. Roy 1
#7538 Rakesh Madhava Apple 1
#7538 Roumen Balabanov Rush University Medical Center 1
#7538 Dusan Stefoski Rush University Medical Center 1
#7538 Joyce Sprau The Radio Flyer 1
#7538 S. Courtney Gray Apple 1
#7538 Pradeep K. Shukla Northwestern University 1
#7538 Filip D. Rozpedek The University Of Chicago 1
#7538 G. Ali Mansoori University Of Illinois 1
#7538 Marsha Ritter-Jones 1
#7538 Neeraj Jolly University of California 1
#7538 Evan C. Baker Northwestern University 1
#7538 Kendra Haag S. C. Johnson & Son 1
#7538 Phillip Fensil Rehco 1
#7538 Dorian A. Flowers Wms Gaming 1
#7538 Nikhil N. Mehra 1
#7538 Bridgit A. Maile 1
#7538 Edward H. Brandis, Jr. Clever Devices 1
#7538 Ioan Guset 1
#7538 Bryan L. Reidy 1
#7538 Josh Goldberger Northwestern University 1
#7538 Sara J. Fernandez Acumen Pharmaceuticals 1
#7538 Jeremy Ventura International Engine Intellectual Property Company 1
#7538 Filip Sotirovic 1
#7538 Stephen Gulau Brookstone Purchasing 1
#7538 Al Afsin Bulbul Groupon 1
#7538 Christopher Croner 1
#7538 Joel M. Hutchison Woodward Mpc 1
#7538 Latrice Hodges 1
#7538 Kevin Whitton University Of Maryland, Baltimore 1
#7538 Ramon Miranda 1
#7538 Joanne E. Stubbs The University Of Chicago 1
#7538 Sai Ram Rongali Advanced Liquid Logic 1
#7538 Naoum Issa The University Of Chicago 1
#7538 Paul Feurstein Sram 1
#7538 Daniela Tuninetti University Of Illinois 1
#7538 Andrew Vazquez Fenwal 1
#7538 Richard Barry Kirschenbaum 1
#7538 Matthew Patrick Eichom 1
#7538 Shelly Mujtaba Autodesk 1
#7538 Clarence E. Keith, Jr. 1
#7538 Lars A. Bergstrom Microsoft 1
#7538 Gary L. Phelps 1
#7538 Jennine B. Terrill Synata Bio 1
#7538 Oliver Rawashdeh University Of Houston System 1
#7538 Erica Mae Delisle Baxter Healthcare Sa 1
#7538 John C. Hutchinson Stepan 1
#7538 Marleke Smets Pnc Financial Services Group 1
#7538 Bernardino Garcia 1

Part of Illinois