Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Chicago, IL ranks #36 worldwide for total patents filed in 2016, with 2,366 patents from 1,292 inventors. Leading employers of inventors based in Chicago, IL include IBM, Cleversafe, Wms Gaming. That works out to 0.9 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 1,292 inventors

Rank Inventor Primary Company Patents
1 Wesley B. Leggette IBM 37
2 Greg R. Dhuse IBM 32
3 Ilya Volvovski IBM 21
3 S. Christopher Gladwin Cleversafe 21
3 Andrew C. Guinn Wms Gaming 21
3 Jeremy M. Hornik Wms Gaming 21
#7 Damon E. Gura Wms Gaming 19
#8 Jamie W. Vann Bally Gaming 18
#9 Ravi Kuchibhotla Lenovo (Singapore) Pte. 17
#9 Milorad Radenovic Clear Lam Packaging 17
#11 Tino Soelberg Steelseries Aps 16
#12 Leon Stenneth Here Global B.V. 14
#12 Steve Cho Cna International 14
#14 Savitha Thankam Pal Outbrain 13
#15 Manish Motwani IBM 12
#16 Antonio Facchetti Polytec Gmbh 11
#16 F. Andrew Nibouar Bedloe Industries 11
#16 James D. Lynch Here Global B.V. 11
#19 Arunkumar Subramanian Sk Hynix Memory Solutions 10
#20 Michael Koepke Lanzatech New Zealand Limited 9
#20 Bryan Adrian Lauer Gogo 9
#20 Daniel P. Louie Wms Gaming 9
#20 Tyrone D. Bekiares 9
#20 Antonio Belton Water Pik 9
#25 Roger W. Ady Google 8
#25 Christopher Mark Stefko Cna International 8
#25 Joseph Collins Vaporstream 8
#25 Amit Jindas Shah Vaporstream 8
#25 Timothy C. Loose Wms Gaming 8
#30 Pamela S. Smith Bally Gaming 7
#30 Supratik Guha IBM 7
#30 Henry R. Appelbaum Novian Health 7
#30 Blair Miller Ignite Usa 7
#30 Eric Michael Jonas Salesforce 7
#30 Dave R. Allen Stepan 7
#30 Chris Murray Bradley Fixtures 7
#30 Brian Murphy Coherus Biosciences 7
#38 James Fowe Here Global B.V. 6
#38 Brett Niggel Berlin Packaging 6
#38 Ankit Gupta Google 6
#38 Kristian J. Hammond Narrative Science 6
#38 Alan J. Cook Lucky Litter 6
#38 Aaron Brown Stepan 6
#38 Timothy T. Gronkowski Bally Gaming 6
#38 Paul M. Lesley Bally Gaming 6
#38 Scott H. Wilson Wimo Labs 6
#38 John White Illinois Tool Works 6
#38 Bruce Nesbitt Innovatech 6
#38 Mark Miller Cfph 6
#38 Brett I. Lyons The Boeing 6

Part of Illinois