Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

San Anselmo, CA ranks #2,530 worldwide for total patents filed all time, with 1,227 patents from 239 inventors. Leading employers of inventors based in San Anselmo, CA include Affymax Technologies N.V., Cardica, Apple. That works out to 95.6 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 239 inventors

Rank Inventor Primary Company Patents
1 William J. Dower Affymax Technologies N.V. 78
2 Theodore M. Bender Cardica 69
3 Christopher Fruhauf Apple 50
#4 Lawrence J. Gerrans Sanovas Intellectual Property 48
#5 Dale T. Roberts Gracenote 36
#6 Andrew Zenoff Beam Authentic 30
#7 Graham Hawkes Deep Ocean Engineering 28
#8 Evan Thrush Bio-Rad Laboratories 26
#9 Kevin Weller Visa 17
#10 David J. Levitt IBM 16
#10 George W. Lucas, Jr. Disney 16
#12 Imran Khan Inc Square, Co. 15
#12 Chris Fruhauf Apple 15
#12 Casey Barbarino Evalve 15
#12 John David West Uber Technologies 15
#16 George Fernwood Bio-Rad Laboratories 14
#16 Marvin R. Garovoy Serb Sa 14
#16 Thomas Gross Wells Fargo Bank, N.A. 14
#19 John Duncan Unchartedvr 12
#19 Lowell O. Cummings Adhesive Coating 12
#19 Luis Quehl Daymen Canada Acquisition Ulc 12
#19 David Watson Honeywell 12
#23 Jurgen W. Scharpf Dolby Laboratories Licensing 11
#23 Mark P. Sarkisian Skidmore, Owings & Merrill Llp 11
#23 Thomas Riess Mannesmann Sachs Ag 11
#23 Denise Krawitz Ambrx 11
#23 Lawrence J. Brucia Techni 11
#23 Jerome F. Mayer Chevron 11
#29 Stephen Carroll Papyrus Technology 10
#29 Jeffry Kimo Curtis Exelixis 10
#31 David DeAndrade Comcast 9
#31 Russell Hampton Sleep Number 9
#31 Nina Rappaport-Rowan Plushy Feely 9
#31 Scott Levine Disney 9
#31 David Perkinson Adtran 9
#36 Robert Cook The Boeing 8
#36 Victoria LUNYAK Aelan Cell Technologies 8
#36 Xavier Serra Yamaha 8
#36 Tyson Singer Siemens Information And Communication Networks 8
#36 Adam Zev Tobin 8
#36 Marcus Yamane Wells Fargo Bank, N.A. 8
#36 Vincent S. Battaglia University of California 8
#36 Richard M. Stess 3M 8
#36 Christophe Morin Saft 8
#45 Anthony Ferrari Davidson Hydrant Technologies 7
#45 Tom Moulton Labcon, North America 7
#47 Paul Simon Nahlous Ciena 6
#47 Kevin Bouey Early Warning Services 6
#47 Stacey Lee Singer 6
#47 Jack H. Belgum Sutter Instrument 6

Part of California