Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sacramento, CA ranks #545 worldwide for total patents filed all time, with 6,233 patents from 1,687 inventors. Leading employers of inventors based in Sacramento, CA include Emerging Automotive, Silicon Laboratories, Micron. That works out to 11.9 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 1,687 inventors

Rank Inventor Primary Company Patents
1 Angel A. Penilla Emerging Automotive 113
2 Ka Y. Leung Silicon Laboratories 80
3 Samuel E. Bradshaw Micron 75
#4 Joshua Dale Howard Boston Scientific 64
#5 Stephen S. Boyle Joingo 63
#6 Peter Brams Bristol-Myers Squibb 60
#6 Vikram Janardhan Insera Therapeutics 60
#6 Adrien P. Cote Xerox 60
#9 Brian E. Spencer Canoo Technologies 58
#10 Robert H. Allen Ethyl 56
#11 Brian Wares Sunpower 52
#12 Ken Endelman Balanced Body 51
#12 Linda Zhong Maxwell Technologies 51
#12 Robert Schuetzle Infinium Technology 51
#15 Andrew Hancock Johnson & Johnson 48
#15 William R. Kanz A-Med Systems 48
#17 Philip H. Coelho Thermogenesis 47
#18 Josh B. Mastronarde Intel 46
#18 John R. Chapman Baxter International 46
#20 Peter Howard Smith Verily Life Sciences 40
#21 Stephen Wu Netapp 37
#22 Daniel R. Henderson Cell Genesys 36
#23 Brett McBrayer Novozymes 34
#23 David L. Wright Spectra-Physics 34
#25 Ryan L. Smith Micromidas 32
#26 William C. Johnson Seminis Vegetable Seeds 29
#27 Nicholas A. McCrory IBM 28
#28 Timothy St. John Redmond Advanced Elemental Technologies 27
#29 Gianni Rosas-Maxemin Pied Parker 23
#29 Paul D. Hoeprich, Jr. Lawrence Livermore National Security 23
#29 Eric Dudley Psiquantum 23
#32 Robert D. Harris Harris Research 22
#32 Salim M. Hakimi Dow Agrosciences 22
#32 Adam Newman USAA 22
#32 Jeffrey A. Hallsten Hallsten 22
#36 Matthew Sweeney Novozymes 21
#36 Peter K. Hazen Intel 21
#36 Francisco Sandoval Pied Parker 21
#36 Tero Heinonen Sharper Shape Oy 21
#40 Stephen Pham Dey 20
#40 Jonathan Hartman Lawrence Livermore National Security 20
#42 Saikat Mandal Intel 19
#42 Kenneth J. Ouimet Sap Ag 19
#42 Howard Neil Rourke Phyzhon Health 19
#42 Robert Mazzola Pied Parker 19
#46 David Rosenfeld Cargill, Incorporated 18
#46 Francis C. King Unknown 18
#46 Deepak Aswani Ford 18
#46 Gerald L. Litzza The Volcano 18
#46 Alex B. Wood Micromidas 18

Part of California