Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Castro Valley, CA ranks #590 worldwide for total patents filed in 2021, with 236 patents from 125 inventors. Leading employers of inventors based in Castro Valley, CA include Abbott, Samsung, Banjo. That works out to 3.5 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 125 inventors

Rank Inventor Primary Company Patents
1 Udo Hoss Abbott 12
2 Dongkyu Lee Samsung 7
3 Rish Mehta Banjo 6
3 Thomas S. Wilson Lawrence Livermore National Security 6
3 C. Phillip Brown 6
3 Jun Tao Huang 6
#7 Balinder Mangat Wells Fargo Bank, N.A. 5
#7 Mark J. Bartlett Gilead Sciences 5
#9 Jeremy D. Walker Abaxis 4
#9 Daniel Madsen Hall Labs 4
#9 James S. Oakdale Lawrence Livermore National Security 4
#9 Nathalie Bolduc 4
#9 Jenny A. Johnson Roche Molecular Systems 4
#9 Jalpesh Chitalia Visa 4
#15 Alison Tsan Roche Molecular Systems 3
#15 Eric L. Davis Abbott 3
#15 Matthew David Thomas Gopro 3
#15 Gary Conard Visor Plexxikon 3
#15 Jonathan Simon Agilent Technologies 3
#15 Nathan Pallo Loci Controls 3
#15 Jan Ove Kristian Olsson Salesforce 3
#15 Nathan D. Thomsen Gilead Sciences 3
#15 Leonid Novak Oracle 3
#15 Min-Hao Michael Lu Abl Ip Holding 3
#25 Dmitry Rekesh IBM 2
#25 Hector Javier Farias Square Panda 2
#25 Joseph N. Lamberti Maquet Cardiovascular 2
#25 Peter Callas Angiodynamics 2
#25 Peter L. Shen Wells Fargo Bank, N.A. 2
#25 Qirfiraz Siddiqui Unknown 2
#25 Diep Nguyen Western Digital Technologies 2
#25 Anthony Duane Duerr Microsoft 2
#25 Brian Highfill Ai Incorporated 2
#25 Albert Tak Chun Chan Heila Technologies 2
#25 Mikhail Sushchik Kla-Tencor 2
#25 Selina Lam Ebay 2
#25 David Deloyd Anderson Energy Recovery 2
#25 Michael L. Mitchell Gilead Sciences 2
#25 Paul Loscutoff Sunpower 2
#25 Robin Hayes Tivo 2
#25 Shireen S. Khan 2
#25 Ali Moayer Logitech Europe S.A. 2
#25 Punit B. Shah Salesforce 2
#25 Steven Loisel Penumbra 2
#25 Kevin Bradford Dunk Hound Labs 2
#25 Shriram Raghunathan Noctrix Health 2
#25 Chun Chen Google 2
#25 Daniel M. Jones Cisco 2
#25 Saikiran Perumala Salesforce 2
#25 Michael Bethune Stanford University 2

Part of California