Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sonoma, CA ranks #3,864 worldwide for total patents filed all time, with 750 patents from 174 inventors. Leading employers of inventors based in Sonoma, CA include Immersion, Apple, Element Energy. That works out to 69.8 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 174 inventors

Rank Inventor Primary Company Patents
1 Erik J. Shahoian Immersion 80
2 Alice Marlin Brugger Apple 54
3 Seth Marshall Kahn Element Energy 37
#4 Jonathan B. Rothbard Cellgate 22
#5 John M. Curotto The Curotto-Can 21
#5 Christopher M. Starr Raptor Pharmaceuticals 21
#5 David A. Kesselman Graham Packaging Company 21
#5 John G. Iacoviello Air Products And Chemicals 21
#9 Mark Covaro Redwood Systems 20
#10 Jack T. Gregory Alcoa 19
#11 Rand Rognlien Music Nomad 16
#12 David B. Nibler Zodiac Pool Systems 11
#12 Robert B. Locke Tyco Fire & Security Gmbh 11
#12 Molly Rolig Big Heart Pet 11
#15 Jorge Elizondo Martinez Heila Technologies 10
#15 Benny Lee Mitco International 10
#17 Thomas Warton Vode Lighting 9
#17 Julien Duhamel Tc1 9
#17 Christopher Roy Kukshtel Dolby Laboratories Licensing 9
#17 Victor Alexander Miller, II Seekops 9
#21 Kevin Calhoun Apple 8
#22 Paul Segre Genesys Telecommunications Laboratories 7
#22 Frank L. Sorgi University Of Pittsburgh 7
#24 Donald C. Arns, Jr. Sri International 6
#24 Keith Neuendorff Cisco 6
#24 Russell M. Aleksey 6
#24 David Gutting Cooper Technologies 6
#24 Michael R. Meyers 6
#24 Nathan L. PRZIBOROWSKI Broadcom 6
#24 Grace Vesom Magic Leap 6
#24 John Domenic Curotto The Curotto-Can 6
#24 Brian Sheahan Biovigil Hygiene Technologies 6
#33 Tricia Grose Herbaceuticals 5
#33 Jesus Sanchez Multivac Sepp Haggenmueller 5
#33 Jason Mengelkoch Hydrofarm 5
#33 Andrew G. Toimil Feeney 5
#33 Tyler Howarth Pushd 5
#33 Nadine L. Yenni Chevron 5
#33 Marc Zak Oddzon 5
#40 Stephan J. Finke 4
#40 Herbert J. Sabel 4
#40 Jonathan Jones Music Nomad 4
#40 James D. Bonbright 4
#40 Fred T. Shultz 4
#40 Marci J. Alley Wells Fargo Bank, N.A. 4
#40 Venus Happ Labcon, North America 4
#40 Steven P. Sapers Optical Coating Laboratory 4
#40 Robert Locke Johnson Controls Technology 4
#40 John Birtles Celonova Biosciences 4
#40 Bob Mastny Tedan Surgical Innovations, Llc. 4

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