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 Rush University Medical Center, The University Of Chicago, Dell Software. That works out to 23.0 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 8,951–9,000 of 13,327 inventors

Rank Inventor Primary Company Patents
#7538 Theodore L. Steck Rush University Medical Center 1
#7538 Yvonne Lange Rush University Medical Center 1
#7538 Joseph Briguglio The University Of Chicago 1
#7538 Steven Eric Feuerstein Dell Software 1
#7538 Mario Zaritsky Cook Medical Technologies 1
#7538 Vincent Rinaolo Numat Technologies 1
#7538 Ricardo Mejia 1
#7538 Clay Montgomery 1
#7538 Andrei Voitnya D&W Fine Pack 1
#7538 Nick Florek 1
#7538 Richard J. Hantke Hollister Incorporated 1
#7538 Nicholas Marc Paredes W.W. Grainger 1
#7538 Angelica Maria De La Rosa W.W. Grainger 1
#7538 Leonard Perez W.W. Grainger 1
#7538 Elvira Jimenez Schreck 1
#7538 Alexander B. Kemmler 1
#7538 Jeffrey D. Hofer Bally Gaming 1
#7538 Phyllis Montgomery 1
#7538 Meghan Quinones Unknown 1
#7538 Hemanth Kumar Remala Nokia Technologies Oy 1
#7538 Jose Jeffrey V. Enejosa Abb Vie 1
#7538 Atakorn Tangtrakul Hsbc Technology & Services (Usa) 1
#7538 Laurence Bernard Woznicki Cornerstone Technologies 1
#7538 Timothy Daniel Maeder 1
#7538 Sam D. Yagan Match.Com, L.L.C. 1
#7538 Nilmini Sunethra Wickramasinghe 1
#7538 Jon Vander Woude Global Green Products 1
#7538 Matthew L. Krumm Focus Products Group International 1
#7538 Anil Diwan Hsbc Technology & Services (Usa) 1
#7538 Kevin M. Flowers Sears Brands, L.L.C. 1
#7538 Mary Lubben 1
#7538 Griffin Strole Carefusion 2200 1
#7538 Marisa L. McClearn Sears Brands, L.L.C. 1
#7538 Shaun Lemley 1
#7538 Anthony Surganov 1
#7538 Himanshu Jay Mehta GE 1
#7538 Seyed Asadollah Bassam University Of Illinois 1
#7538 Alyson V. Whitney Northwestern University 1
#7538 Ryan Kennedy Cellco Partnership 1
#7538 Alex Samoylovich 1
#7538 Thomas Ryan McGrath 1
#7538 Gade Prathibha The Boeing 1
#7538 Ryan E. Reinke University Of Illinois 1
#7538 Matt APORTA Societe Des Produits Nestle S.A. 1
#7538 Yvonne McGinnis 1
#7538 KURT SEIDENSTICKER Societe Des Produits Nestle S.A. 1
#7538 Kevin W. Evenhouse 1
#7538 Venkatesan Natarajan Venkatakrishnan University Of Illinois 1
#7538 Noel Ross 1
#7538 Boyett Judson Hennington, IV Arrowstream 1

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