Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Pomona, CA ranks #2,623 worldwide for total patents filed all time, with 1,177 patents from 321 inventors. Leading employers of inventors based in Pomona, CA include Tofasco Of America, California Acrylic Industries, General Dynamics Corp., Pomona Division. That works out to 7.8 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 321 inventors

Rank Inventor Primary Company Patents
1 Thomas J. Wheeler 64
2 Edward Zheng Tofasco Of America 60
3 Casey Loyd California Acrylic Industries 45
#4 John P. Palmer General Dynamics Corp., Pomona Division 36
#5 Richard Lee Gen-Probe Incorporated 33
#5 Mark Ma Lumileds Holding B.V. 33
#7 Daniel E. Lundy Morton International 24
#8 Ward Chen Jay-Y Enterprise Co. 21
#8 Edward T. Piesik General Dynamics Corp., Pomona Division 21
#10 James R. Gallivan RTX (Raytheon) 19
#11 Joseph C. Fleming, III Israel Electric 18
#11 Raul Perez HP 18
#13 Robert C. Cook Torrex Equipment 17
#13 Robert Eugene Brooks Encore Wire 17
#13 Bin Lee Bayer Healthcare 17
#16 Rushikesh M. Patel Optopower Co. 13
#17 William P. Dugan General Dynamics Corp., Pomona Division 12
#17 Michael L. Herrera Casa Herrera 12
#19 Richard J. Swanson Merck 11
#19 James F. Reher Manufacturers Hanover Trust 11
#21 Marvin W. Shores General Dynamics Corp., Pomona Division 10
#21 James Giles Google 10
#21 Philip Downey 10
#24 Cheng-Kai Chen Microsoft 9
#24 Frank Zhishi Xia Amphastar Pharmaceuticals 9
#24 Denise C. Garrison Cobe Laboratories 9
#24 Mark A. Balderrama Calmar Holdings 9
#24 Michael W. Kenworthy Technology Commercialization 9
#24 Peter Giokaris Meta 9
#24 Vincent W. Caito Alltrade Tools 9
#24 Daniel Jenkins U-Nav Microelectronics 9
#32 Ralph J. Koerner 3M 8
#32 Terry J. Sanchez Oddzon 8
#32 John Nguyen Stryker 8
#32 Yong Song Samsung 8
#32 Jackie D. Parvin Accuride International Gmbh 8
#32 Arif Ahmed Sohel Niagara Bottling 8
#32 David C. Jacks 8
#39 Harry Kai Lee Unknown 7
#39 Lionel M. Larsonneur Paper-Pak Products 7
#39 Donald W. King Columbia University 7
#42 Claudia Nefately Ambriz Relay Cars 6
#42 David Harper Maxim Integrated Products 6
#42 Everett LaVars Sunkist Growers 6
#42 En-Liung Huang 6
#42 Pastor Sanchez 6
#42 Derick Esquivel Hi Rel Connectors 6
#48 Vernon E. Stewart Orscheln 5
#48 George Michael Mansour Carefusion 303 5
#48 Raja R. Mamidi Alpha Therapeutic 5

Part of California