Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Naperville, IL ranks #165 worldwide for total patents filed all time, with 17,102 patents from 3,051 inventors. Leading employers of inventors based in Naperville, IL include Alcatel Lucent, Futurewei Technologies, Sloan Valve. That works out to 114.4 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 3,051 inventors

Rank Inventor Primary Company Patents
1 Yigang Cai Alcatel Lucent 223
2 Philippe Sartori Futurewei Technologies 168
3 John R. Wilson Sloan Valve 144
#4 Michael G. Borchardt The Glad Products 117
#5 Sandor Nagy Equistar Chemicals, Lp 115
#6 Ronald A. Nordin Panduit 113
#7 Frank A. Harwath Molex 93
#8 Michael Uffner 87
#9 Bipin V. Vora Uop 84
#10 Russell T. Fling Rca 81
#10 Lu Zhang Corning Incorporated 81
#12 James P. Ashley Motorola 80
#13 David L. Brunker Molex 79
#14 Michael Borella 3Com 77
#15 Lawrence E. Connell Motorola 72
#16 Asimuddin Kazi IBM 71
#17 Sunil Chintakindi Allstate Insurance 70
#18 Shridhar P. Joshi Wms Gaming 66
#18 Peter J. Dix Cnh Industrial America 66
#20 Jeffrey L. Allen Bally Gaming 64
#20 Michael M. Thackeray Uchicago Argonne 64
#20 Raymond Walden Bennett, III AT&T 64
#23 Stephen Alan Smith Solo Cup 63
#24 Carol Shifrin Gruchala AT&T 61
#24 Anthony R. Metke 61
#26 John J. Senetar Uop 60
#26 Lee M. Chow AT&T 60
#26 Nancy Book AT&T 60
#29 Richard C. Younce Tellabs Operations 57
#29 Christopher S. Johnson Uchicago Argonne 57
#31 Brian C. Donnelly Suncast Technologies 55
#32 Jeffrey Bull Wilton Industries 54
#33 Jasbir S. Gill Ecolab Usa 53
#33 Zhengcheng Zhang Uchicago Argonne 53
#33 Pengfei Ma Caterpillar 53
#36 Ranjeet Gupta Motorola Mobility 52
#37 Peter Kokayeff Uop 51
#37 John C. H. Chang Wallace Computer Services 51
#39 Alfred C. Li United States Gypsum 50
#40 Jung-Woo Seo Samsung 49
#40 Richard A. Mazur Cummins-Allison 49
#40 Bei-Hong Liang Masonite 49
#40 Patrick J. Walsh Gogo 49
#44 Shawn D. Noble Hendrickson Usa, L.L.C. 47
#44 Eric Steven Peyton Apple 47
#44 George A. Huff, Jr. Amoco 47
#47 Anthony K. Burrell Los Alamos National Security 45
#47 Mansoor Ahmed Chicago Mercantile Exchange 45
#49 Arvind Patel Molex 44
#49 Bruce A. Keiser Nalco Company 44

Part of Illinois