Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Lemon Grove, CA ranks #1,774 worldwide for total patents filed all time, with 1,869 patents from 630 inventors. Leading employers of inventors based in Lemon Grove, CA include Minnesota Imaging And Engineering, Pfizer, Sony. That works out to 67.7 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 630 inventors

Rank Inventor Primary Company Patents
1 Robert Sigurd Nelson Minnesota Imaging And Engineering 55
2 John Charles Kath Pfizer 30
3 Seth Hill Sony 26
#4 Paul G. Stuart Seescan 23
#5 Gary J. Anderson Copeland Lp 22
#6 Stephen H. Lieberman US Air Force 21
#7 Christian Soria Rohr 20
#7 W. Eric Boyd Isc8 20
#9 Fred Harris Uhnder 19
#10 John A. Frye Honda Motor Co. 18
#10 Aaron Burmeister US Air Force 18
#12 Jesse L. Pedigo Ttm Advanced Circuits 17
#12 Donald K. Brandom Reva Medical 17
#14 Vijay Mahant Autogenomics 16
#15 Scott R. Yale Verifone 15
#15 Foua Vang Qualcomm 15
#17 Isaac Henry Sotera Wireless 14
#17 Dmitry Shapiro Quest Software 14
#17 Hans-Werner Heinrich Wella Gmbh 14
#20 Andrew F. Farr Interventional Technologies 13
#20 Kevin Lane Create A Castle 13
#20 Kazuo Sasamine Philips Image Guided Therapy 13
#20 Craig Thomas Gadd Dexcom 13
#24 Patricia Gordon Gen-Probe Incorporated 12
#24 Timothy Andrew Parr Amira Pharmaceuticals 12
#24 Theodore J. Crooks Fair Isaac 12
#27 Daniele M. Bergeron Vertex Pharmaceuticals Incorporated 11
#27 Ann F. McCue Sibia Neurosciences 11
#27 Wadad B. Dubbelday US Air Force 11
#27 David Koos Regen Biopharma 11
#27 Peter Feller Zellweger Luwa Ag 11
#27 Daryl B. Slocum 11
#33 Frederic J. Harris AMD 10
#33 Thomas A. Lindroth Merck 10
#35 John Rosenlof 3Com 9
#35 May F. Ho 9
#35 Jose A. Garcia Intevep, S.A. 9
#35 Ralph David Hooper US Air Force 9
#35 Hiran R. Rathnasinghe Apple 9
#35 Neil Bergstrom Watkins Manufacturing 9
#35 Ryan Rooke Pacesetter 9
#35 Wayne Edward Richards Cubic 9
#35 Richard I. Perlman 9
#35 John A. Trias US Air Force 9
#45 Joseph T. McNaney 8
#45 Ted Floyd 8
#45 Gregory Bullard Qualcomm 8
#45 Chia-Chen Chu Netapp 8
#45 Ralph Kaufman Qualcomm 8
#45 Sean Kelly Spivey Solar Turbines Incorporated 8

Part of California