Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

San Diego, CA ranks #13 worldwide for total patents filed all time, with 235,197 patents from 23,606 inventors. Leading employers of inventors based in San Diego, CA include Chugai Pharmaceutical, Qualcomm, Thermo Fisher. That works out to 169.6 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 11,151–11,200 of 23,606 inventors

Rank Inventor Primary Company Patents
#9825 QUEENCY D. MATEO 3
#9825 Richard Penuliar Chugai Pharmaceutical 3
#9825 Scott A. Leazenby Qualcomm 3
#9825 Ashfaque Mansur Qualcomm 3
#9825 Matthew Schifano Thermo Fisher 3
#9825 Curtis W. Cannon 3
#9825 Anabel De La Garza 3
#9825 Randolph Hampton University of California 3
#9825 Mark Y. Shin Linear 3
#9825 George L. Prater Solar Turbines Incorporated 3
#9825 Keith Westerman Intrinsic Lifesciences 3
#9825 Ri-Chee Chou Thermotrex 3
#9825 James M. Schaeffer Merck 3
#9825 Jean C. Langlois Sidel Participations S.A.S 3
#9825 Vivek Manpuria Qualcomm 3
#9825 Kapil Mahakalkar Plexium 3
#9825 Walker Carlson Visa 3
#9825 Kathryn Reavis 3
#9825 Anne Jager Illumina 3
#9825 George B. Nicoloff General Dynamics 3
#9825 Vinayak Chowdiah Qualcomm 3
#9825 Brandon Allen Burdge Qualcomm 3
#9825 Daniel Morgan Davies Overland Storage 3
#9825 Khanh Tuan Tran Pfizer 3
#9825 Chad Patterson Dexcom 3
#9825 Donald Ludolph Tandem Diabetes Care 3
#9825 Brett W. Kirkconnell Gen-Probe Incorporated 3
#9825 Fiona Murray University of California 3
#9825 Lingzhi Zhang University of California 3
#9825 Peter Gazzerro Qualcomm 3
#9825 Andrew Panlasigui 3
#9825 Trent H. Punnett General Instrument 3
#9825 Yonas Kidane Qualcomm 3
#9825 Kiran Kumar Malipeddi Qualcomm 3
#9825 Rajasekar Vaidyanathan HP 3
#9825 Mohammad Mehrjoo Microchip Technology Incorporated 3
#9825 Preston B. Landon University of California 3
#9825 Wenzhong Zhao Id Analytics 3
#9825 Steven C. Donner 3
#9825 Efrain Navarrete Ast Design 3
#9825 Yuhung Kao Qualcomm 3
#9825 Caroline De Gracia Lux University of California 3
#9825 Rick Korfin Five9 3
#9825 Kuang-Hsuan Tu Qualcomm 3
#9825 Galib A. Mohiuddin Apple 3
#9825 Judson Kyle Ownbey AT&T 3
#9825 Sree A. Raghavan Conexant Systems 3
#9825 Naohisa Yoshioka University of California 3
#9825 Xiaoyan Cindy Barker Intuit 3
#9825 Julia S. Szymanski Myeloid Therapeutics 3

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