Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sonora, CA ranks #17,195 worldwide for total patents filed all time, with 85 patents from 11 inventors. Leading employers of inventors based in Sonora, CA include Intuitive Surgical, Becton, Dickinson And, Rain Bird. That works out to 17.0 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–11 of 11 inventors

Rank Inventor Primary Company Patents
1 Marvin S. Keshner 20
2 William A. McDonald, II Intuitive Surgical 15
3 Bruce Erickson Becton, Dickinson And 11
3 Michael J. Tennyson Rain Bird 11
#5 Kameron Rose Hurst Cisco 10
#6 Clifford Kenneth Young Unknown 4
#6 Dominick Piccininni Lipton, Division Of Conopco 4
#6 Marshall Henry 4
#9 Daniel W. Parks Dunlop Manufacturing 3
#10 Stephen Garrity 2
#11 Justin M. Page Dunlop Manufacturing 1

Part of California