Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Castro Valley, CA ranks #695 worldwide for total patents filed all time, with 4,832 patents from 760 inventors. Leading employers of inventors based in Castro Valley, CA include Abbott, Thermo Fisher, Zoecon. That works out to 72.7 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 760 inventors

Rank Inventor Primary Company Patents
1 Neil C. Corley 289
2 Udo Hoss Abbott 120
3 James Bustillo Thermo Fisher 91
#4 Clive A. Henrick Zoecon 78
#5 Dongkyu Lee Samsung 74
#6 Thomas S. Wilson Lawrence Livermore National Security 69
#7 Jianmin Li Scimed Life Systems 64
#8 Chun Chen Google 62
#9 Stephen A. Payne Lawrence Livermore National Security 61
#10 Daniel Madsen Hall Labs 58
#11 Christopher V. Reggiardo Abbott 54
#12 C. Phillip Brown 53
#13 Rish Mehta Banjo 49
#14 Michael L. Mitchell Gilead Sciences 48
#14 Min-Hao Michael Lu Abl Ip Holding 48
#16 Robert A. Creelman Mendel Biotechnology 46
#17 Jesse Kamp Oracle 43
#18 James K. Lee Biosense Webster 42
#19 Lorenzo Ferrari Qualcomm 38
#19 Lee H. Veneklasen Etec Systems 38
#21 Matthew David Thomas Gopro 34
#22 Jonathan Simon Agilent Technologies 33
#23 Peter Callas Angiodynamics 32
#23 Calvin B. Ward Bridgelux 32
#25 Steve Lamb Orthopedic Systems 28
#25 Paul Loscutoff Sunpower 28
#27 David Deloyd Anderson Energy Recovery 27
#27 Joe Y. L. Lam Applied Biosystems 27
#27 Joshua Babiarz Natera 27
#27 Punit B. Shah Salesforce 27
#31 Patrick C. P. Cheung Xerox 26
#32 Anthony T. Nguyen Intel 25
#33 James S. Oakdale Lawrence Livermore National Security 24
#33 Jay A. Markwart Spartek Medical 24
#35 John A. Markwart Kyphon Sarl 23
#36 Jeremy D. Walker Abaxis 22
#36 Charles P. Brown Smart Options 22
#36 Edgar Allan Tu Sony 22
#36 Selina Lam Ebay 22
#40 Nathan Pallo Loci Controls 21
#40 Balinder Mangat Wells Fargo Bank, N.A. 21
#40 Farid U. Dowla Lawrence Livermore National Security 21
#40 Boris Selitser Oracle 21
#44 David W. Neyer Eksigent Technologies 20
#44 Layla Katiraee 10X Genomics 20
#44 Lorin K. Johnson Salix Pharmaceuticals 20
#44 Robin Hayes Tivo 20
#44 John R. Dooley Accuray Incorporated 20
#44 Brian Highfill Ai Incorporated 20
#44 John Wasserbauer Optical Communication Products 20

Part of California