Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Petaluma, CA ranks #1,047 worldwide for total patents filed all time, with 3,238 patents from 492 inventors. Leading employers of inventors based in Petaluma, CA include Tq Delta, Chevron, Digilock Asia. That works out to 54.2 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 492 inventors

Rank Inventor Primary Company Patents
1 Marcos C. Tzannes Tq Delta 172
2 Dennis J. O'Rear Chevron 132
3 Asil T. Gokcebay Digilock Asia 128
#4 Martin Fornage Enphase Energy 102
#5 Anthony Mark Jones Discovision Associates 87
#6 Tyrus Hudson Tesla 79
#7 Edward W. Boyd Broadcom 63
#8 Jeffery Argentine Medtronic 57
#9 Ray Steven Spratt Carl Zeiss Vision International Gmbh 53
#10 Robert W. Wise Unknown 52
#11 Robert F. Kelley Genentech 51
#11 Michael J. Harrison Enphase Energy 51
#13 William F. Gordon S. C. Johnson & Son 48
#14 Roger L. Jungerman Agilent Technologies 43
#15 John Bisges Dynacraft Bsc 39
#16 Matthew Donaldson Moller Virtual Hold Technology Solutions 36
#17 Derek Campbell Nike 35
#18 Scott Sturges Andrews Stragent 32
#18 Glen Kramer Broadcom 32
#20 Bill Talios Dynacraft Bsc 31
#20 Stelios Tzannis Acelrx Pharmaceuticals 31
#22 Richard E. Smith Xerox 29
#23 Robert G. Whirley Trivascular 28
#24 Johann Karkheck Ojjo 27
#25 Randall C. Smith Mesa/Boogie 26
#26 Forrest C. Wang Apple 24
#26 Johannes P. Seydel Viavi Solutions 24
#28 Mudhafar Hassan-Ali Enphase Energy 23
#28 David Gomez-Rosado Groupon 23
#30 Jeffrey Smith Rmo 22
#31 David DeRenzy Dexcom 21
#31 Adam McCormick Doti Salesforce 21
#33 Robert Lathrop AbbVie 19
#33 Daniel Flanigan Tesla 19
#33 George Henry Hines Realwear 19
#36 Hojabr Alimi Collidion 18
#36 Alan Weiss Igt 18
#38 Ashik A. Mohan Datascope 17
#38 Alferd Cofer Tegal 17
#38 Paul Rene Borloz Gcx 17
#41 William J. Sell Mast Immunosystems 16
#41 Stephen J. West Ciena 16
#41 Roger Minkow Specialized Bicycle Components 16
#41 Remy F. Gross, III Nektar Therapeutics 16
#45 Juancarlos Colorado Fire Innovations 15
#45 Ray T. Flugger Flowmaster 15
#45 Gareth Winckle Dow Pharmaceutical Sciences 15
#45 John Chambers Agc Flat Glass North America 15
#49 Andrew M. Kvalheim Kval 14
#49 William Gordon Camelbak Products 14

Part of California