Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Martinez, CA ranks #2,713 worldwide for total patents filed all time, with 1,135 patents from 261 inventors. Leading employers of inventors based in Martinez, CA include Chevron, Fresenius Medical Care Holdings, Ambrx. That works out to 30.4 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 261 inventors

Rank Inventor Primary Company Patents
1 Bruce Reynolds Chevron 55
2 Kulwinder S. Plahey Fresenius Medical Care Holdings 53
3 Nick Knudsen Ambrx 37
#4 Brian David Warner Chiron 36
#4 Jeffrey D. Morse University of California 36
#6 Roland E. Williams Zi Corporation Of Canada 29
#7 Michael C. Little Becton, Dickinson And 26
#8 Russell Evan Cooper Chevron 23
#8 Lakhmir Chawla The George Washington University, A Congressionally Chartered Not-For-Profit 23
#10 Ashot K. Serobian The Clorox 22
#11 Shawn Szyjka Zymergen 19
#11 Konstantinos Konstantinides Charles Schwab & Co. 19
#11 John Parkinson Berlex Laboratories 19
#14 Michael J. Ricks Dow Agrosciences 18
#15 Harold Peters Transvivo 15
#15 Timothy Machajewski Chiron 15
#17 Glenn Price Bio-Rad Laboratories 14
#18 Wayne Bland U.S. Farathane 13
#18 Edward Anthony Oldynski Illinois Tool Works 13
#18 Yat Fan Suen Chevron 13
#21 Jeffrey D. Fox Agilent Technologies 12
#22 Stanley L. Lehmann Henkel Limited 11
#22 Peter Ciurea Visa 11
#24 Connor Landgraf Eko Devices 10
#24 Roger N. Lewis Argus Chemical 10
#24 Weimin Qi Biocare Medical 10
#24 Richard F. Sowinski 10
#28 Charles Graeme Murray Tarvis Technology Limited 9
#28 Andrew Russell Lutkus Tesla 9
#28 James Jarvis Gunderson 9
#28 Jeff Rogers Seagate Technology 9
#28 Pavel Karpenko Genesys Telecommunications Laboratories 9
#28 Garo Paroonagian Jacuzzi 9
#34 Jim H. Chan Sbc Technology Resources 8
#34 Stephen Bellato Teltronics 8
#34 Dennis Davis Delta Systems 8
#37 Jason McKee Bio-Rad Laboratories 7
#37 Gary Ligman Ligchine International 7
#37 Dan Swanson Sears Brands, L.L.C. 7
#37 Joseph C. V. Ducasse Fabcon 7
#37 Murray Sheldon Bioventrix 7
#37 Stephen R. Rumbaugh 7
#37 Thomas E. Corder Intel 7
#37 Ned L. Jensen 7
#37 Byron Jon Danielson Club Car 7
#46 George Menor Siemens Medical Laboratories 6
#46 Dean H. Smith Westchester Capital 6
#46 Jimmy H. Chan Danisco Us 6
#46 Chris Charlton Bio-Rad Laboratories 6
#46 Travis W. Grodt Seagate Technology 6

Part of California