Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

North Aurora, IL ranks #3,887 worldwide for total patents filed all time, with 744 patents from 144 inventors. Leading employers of inventors based in North Aurora, IL include Masonite, Molex, Motorola. That works out to 40.7 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 144 inventors

Rank Inventor Primary Company Patents
1 Steven K. Lynch Masonite 123
2 Patrick R. Casher Molex 43
3 William J. Ooms Motorola 40
#4 David W. Jenkins Tellabs Operations 33
#5 Wenfeng Peng Molex 28
#6 James Paul Seymour AT&T 24
#7 Richard G. Smith S&C Electric 23
#8 Charles E. Stroud AT&T 18
#9 Michael W. Bandel Hubbell Incorporated 17
#10 Scott Mayhew Siemens Energy & Automation 16
#10 Robert J. Clow Pittway 16
#12 William H. Scofield AT&T 15
#13 Ronald Austin Duo-Fast 14
#14 Richard P. Hulock Wilson Sporting Goods 13
#15 John Kaminski Gillett Canada 12
#16 Jerry Stamatopoulos Gogo 10
#16 Paul B. Aspengren Miner Enterprises 10
#18 Steven D. Springer Caterpillar 9
#18 Jeffery A. Foster Dana Limited 9
#18 Galen F. Fromm Molex 9
#21 Thomas Siwek Robert Bosch Gmbh 8
#21 Christopher V. O'Brien Tellabs Operations 8
#23 Mark Davey Senior Engineering Investments Ag 7
#23 Raja Iyer Acme Resin 7
#23 Michael P. Molitor Miner Elastomer Products 7
#23 Nolan Bello Ideal Industries 7
#27 Michael D. VanMaldegiam Miner Enterprises 6
#27 Fredric W. Prill Barber-Greene 6
#27 Kenneth W. Del Signore Alcatel Lucent 6
#27 Harvey Hanig Norix Group 6
#31 Grigory M. Kazakevich Muons 5
#31 Andrew X. Rarey Hendrickson Usa, L.L.C. 5
#31 Robert Eisenreich Ball Horticultural 5
#31 Andrew F. Scott AT&T 5
#31 David W. Geick, Jr. Miner Enterprises 5
#36 Mark D. Batinich IBM 4
#36 David G. Motkowski National Controls 4
#36 John M. Teter Caterpillar 4
#36 Ronald A. Lau Fuel Tech 4
#36 Nick DiCosola Gas Research Institute 4
#41 James A. Faunce Stepan 3
#41 Ernesto Wallerstein, Jr. 3
#41 Craig M. Ressler J.L. Clark 3
#41 Jon Heyl Richards-Wilcox 3
#41 Abhishek J. Desai Tellabs Operations 3
#41 Wim L. Brouwer AT&T 3
#41 Christopher M. Runestad Caterpillar 3
#41 Humberto A. Hijuelos Allied Tube & Conduit 3
#41 Harold D. Goldberg Allied Tube & Conduit 3
#41 Donald S. Lupa 3

Part of Illinois