Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Walnut Creek, CA ranks #363 worldwide for total patents filed in 2021, with 393 patents from 198 inventors. Leading employers of inventors based in Walnut Creek, CA include Wells Fargo Bank, N.A., Zymergen, Sigray. That works out to 5.6 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 198 inventors

Rank Inventor Primary Company Patents
1 Peter Ho Wells Fargo Bank, N.A. 12
2 Kenneth S. Bruno Zymergen 9
2 Wenbing Yun Sigray 9
#4 Andrew H. Naegeli Abbott 8
#4 Sagiv Draznin Verizon 8
#6 Chad Tyler Rigetti Rigetti & Co 7
#6 Martin Joseph Crnkovich Fresenius Medical Care Holdings 7
#6 Rohitashva Mathur Salesforce 7
#6 Kiomars Anvari Unknown 7
#10 Jean Rennette Olivia Garden International 6
#10 Bert D. Egley Fresenius Medical Care Holdings 6
#10 David Newman Wells Fargo Bank, N.A. 6
#10 Jonathan David Ruggiero Workday 6
#14 Ozgur Taylan Kuzucu Levi Strauss & 5
#14 Hiroyuki Takaishi Kyocera Document Solutions 5
#14 Christian Flurscheim Visa 5
#14 Arkadiusz Bibillo Roche Sequencing Solutions 5
#14 Adam Torman Salesforce 5
#19 Raghvendra Savoor AT&T 4
#19 Elizabeth Schrag Wells Fargo Bank, N.A. 4
#19 Andrew Gartrell Nokia 4
#19 Arkadiusz Sitek IBM 4
#19 Jon Ash Ironridge 4
#19 Robin Barbour Prothena Biosciences Limited 4
#19 Arash Sabet Olympic Ophthalmics 4
#19 Matthew R. Williams Intuitive Surgical 4
#19 Jason Thomas Chou Lawrence Livermore National Security 4
#28 Eyob A. Sete Rigetti & Co 3
#28 Rami Adada Sea Tel 3
#28 Aleksandr Leynov Stryker 3
#28 Tom Borst 3
#28 Ali Mortazavi Nissan North America 3
#28 Michael Hutter Cryptography Research 3
#28 Brian Esserlieu Salesforce 3
#28 Jeff Connell Here Global B.V. 3
#28 Junyu Mai Pacesetter 3
#28 Paul Wickboldt Synaptics Incorporated 3
#28 Jingyi Xiang Eureka Therapeutics 3
#28 Eudean Michael Sun Arista Networks 3
#28 Lee Tanenbaum Fresenius Medical Care Holdings 3
#28 Claudio Guglieri Lillo 23Andme 3
#28 Edyta Szewczyk Zymergen 3
#28 Daniel Bryce Thompson Glo Ab 3
#28 Peter M. Lloyd Alexza Pharmaceuticals 3
#45 Eric Johnson Crux Biomedical 2
#45 Dania Ghantous Qnovo 2
#45 Alan B. Stokol Illumio 2
#45 Raj Krishnamurthy Software Ag Usa 2
#45 John J. Flynn Spartek Medical 2
#45 Motoki Dean Wu Cresta Intelligence 2

Part of California