Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Colfax, CA ranks #17,581 worldwide for total patents filed all time, with 82 patents from 38 inventors. Leading employers of inventors based in Colfax, CA include Corrosion Engineering, U.S. Peroxide, Nvision. That works out to 41.1 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–38 of 38 inventors

Rank Inventor Primary Company Patents
1 Takeo Imahata 9
2 Donald C. Dunn Corrosion Engineering 8
3 John R. Walton U.S. Peroxide 7
#4 Donald S. Lydon Nvision 6
#5 Samuel Sidney RHODES Philips Image Guided Therapy 4
#5 Samuel R. Bowman Apple 4
#7 Robert Jon Longo American Management Systems, Incorporated 3
#7 Dante Vitale HP 3
#7 David C. Hanley HP 3
#7 Alan P. LeVezu 3
#11 Joe L. Rainbolt Grass Valley Limited 2
#11 John H. Eberle 2
#11 Christopher Saint Integrated Device Technology 2
#11 Matthew O. Richardson Coherent 2
#15 Craig Rogers 1
#15 Miklos Perlaki 1
#15 Edward L. Aurich Coherent 1
#15 Keith A. Ruffner Nec Electronics 1
#15 Ronald J. Cardoza 1
#15 Kim W. Woodward Coherent 1
#15 Mark Jonathan Wright 1
#15 Anthony Giardina Intel 1
#15 Edward Avalos 1
#15 Scott A. Willman 1
#15 Raul Barba 1
#15 Griffin Shahin Vernon 1
#15 Natalie Antoinette Lundberg 1
#15 Allen John Mahncke 1
#15 Gregory J. Leeson 1
#15 Peter Delphini Molino, III 1
#15 Thomas Christian Kinsey 1
#15 Benjamin William Schwartz 1
#15 Holly Jane Wren 1
#15 Reuben Westmoreland Pacesetter 1
#15 Allan P. Morris 1
#15 Ronald Edwin Lane 1
#15 Ronald E. Koltun Spectra-Physics 1
#15 Ron Shay 1

Part of California