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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Piedmont, CA ranks #1,164 worldwide for total patents filed in 2021, with 123 patents from 65 inventors. Leading employers of inventors based in Piedmont, CA include Cisco, Bristol-Myers Squibb, Arris Composites. That works out to 10.9 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 65 inventors

Rank Inventor Primary Company Patents
1 Erik M. Swan Cisco 9
2 Alan J. Korman Bristol-Myers Squibb 7
3 Erick DAVIDSON Arris Composites 6
#4 Richard Przybyla Chirp Microsystems 5
#5 Rex Crossen Meta 4
#5 Brian Van Osdol Grabango 4
#5 Michael Scott Lynn Hound Labs 4
#5 Charles Q. Robinson Dolby Laboratories Licensing 4
#9 Michael Vinson Rentrak 3
#9 Moses Cesario Previvo Genetics 3
#9 Erick Anthony Dean Cisco 3
#9 Ion Stoica Conviva 3
#9 Jordan Todd Gopro 3
#9 Shreyas Doshi Google 3
#9 Gao Liu University of California 3
#16 Paul F. Stetson Carl Zeiss Meditec Ag 2
#16 Scott J. Weber Intel 2
#16 Eric David Greene Wells Fargo Bank, N.A. 2
#16 Michelle Minhua HAN Bristol-Myers Squibb 2
#16 Simon Duxbury Quantenna Communications 2
#16 Shanmugasundaram Ravikumar Yahoo Holdings 2
#16 Poojitha Preena Obayashi 2
#16 Lisa Kaplan Salesforce 2
#16 Oz Mendel Lisnr 2
#25 Andrew Brandt Kwiram 1
#25 Chris Wormald Research In Motion Limited 1
#25 Kenneth I. LI Click Diagnostics 1
#25 Isaac Cohen Bionovo 1
#25 David Mason Ziip 1
#25 Daniel Poon Novartis Ag 1
#25 Benjamin L. Garfinkle Clamp Swing Pricing 1
#25 Frederick R. Shotton Akamai Technologies 1
#25 Ryan DIGNARD Ebay 1
#25 Ilya Brown Ebay 1
#25 Maxim Shusteff Lawrence Livermore National Security 1
#25 Edmond F. Trainor 1
#25 Mark B. Ratcliffe University of California 1
#25 Damien Joly CEA 1
#25 David Naveh Schering 1
#25 Karim Tahawi 1
#25 Mark Andrew Rosen Raydiant Oximetry 1
#25 Orion Hindawi Tanium 1
#25 Kenneth I. Li Optiscan Biomedical 1
#25 William A. Holmes Heartport 1
#25 Steven C. Wollenberg Blackberry Limited 1
#25 Eli WOODS 1
#25 Michael Pivovaroff Lawrence Livermore National Security 1
#25 William Malecki Channel Medsystems 1
#25 Benedict Costello Proteus Digital Health 1
#25 Remy Orans Qualitau 1

Part of California