Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Escondido, CA ranks #334 worldwide for total patents filed all time, with 9,230 patents from 1,330 inventors. Leading employers of inventors based in Escondido, CA include Qualcomm, Oracle, Taylor Made Golf Company. That works out to 61.1 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 1,330 inventors

Rank Inventor Primary Company Patents
1 Stephen William Edge Qualcomm 363
2 Kenny C. Gross Oracle 257
3 Bret H. Wahl Taylor Made Golf Company 158
#4 Alexander I. Ershov Cymer 152
#5 Donald S. Karanewsky E.R. Squibb & Sons. 126
#6 J. Andrew Galloway Callaway Golf 124
#7 Maulik Vaidya Charter Communications Operating 103
#8 Lalan Jee Mishra Qualcomm 92
#9 Joe Mullis Ballogy 84
#10 Ling Jun Wong Sony 83
#11 Robert Hardacker Sony 79
#11 John R. Sanford Ubiquiti Networks 79
#13 Jeffrey T. Mason Breg 77
#13 Thomas Olsavsky Taylor Made Golf Company 77
#15 Thomas Dawson 74
#16 Adlai H. Smith Litel Instruments 73
#17 Scott A. Knutson Acushnet 70
#18 Brett P. Seber Buck Knives 66
#19 Antoine J. Rouphael Ipr Licensing 65
#20 Peter Lim Altman Specialty Plants 63
#20 Jason F. Hunzinger Denso 63
#22 Rebecca Hawkins Wahl In2Bones Usa 62
#23 Renee O'Connell Altman Specialty Plants 61
#24 David Morelock Custom Dynamics 57
#25 Bradley R. Mason Breg 56
#26 Alexander L. Warren Seescan 52
#26 Frederick J. Jeffers Eastman Kodak 52
#28 Brad M. Kellerman Avenu Medical 49
#29 Michael Brunolli Qualcomm 43
#29 Dharmpal S. Dodd Bristol-Myers Squibb 43
#31 Kevin Duane Bunker Recurium Ip Holdings 42
#31 Paul M. DiPerna Tandem Diabetes Care 42
#31 David A. Neese Grady-White Boats 42
#34 J. Guy Breitenbucher Johnson & Johnson 41
#35 Warren G. Sanborn Covidien Lp 40
#35 Nicholas J. Manesis AbbVie 40
#35 Nathan J. Lee Snap-On Incorporated 40
#38 Paul M. Elizondo, II Meps Real-Time 39
#39 David Petersen GE 38
#40 Ben Wynne Intrepid Automation 37
#40 Burton H. Sage, Jr. Becton, Dickinson And 37
#42 Bryce W. Hobbs Cobra Golf Incorporated 36
#42 Scott Clear Persyst Development 36
#44 Patrick Nunally E.Digital 35
#44 Abhijeet Paul Psemi 35
#46 Warren W. Porter Ncr 34
#47 Todd R. Medin 33
#47 Paul A. Sprengeler Effector Therapeutics 33
#47 Mauritius A. R. Schmidtler Kofax 33
#50 Andrei Guzaev Isis Pharmaceuticals 32

Part of California