Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Covina, CA ranks #3,467 worldwide for total patents filed all time, with 856 patents from 287 inventors. Leading employers of inventors based in Covina, CA include Hubbell Incorporated, Unisys, Wynn Oil. That works out to 16.7 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 287 inventors

Rank Inventor Primary Company Patents
1 Michael Neuer Hubbell Incorporated 29
2 Laurence P. Flora Unisys 28
3 Michael J. Camacho Wynn Oil 19
3 James M. Padilla Cuno Incorporated 19
#5 Thomas I. Valdez Caltech 18
#6 Lilly I. Kong Focus Diagnostics 17
#7 Javier Ramos Inkbit 16
#7 Dennis R. Taylor Engelhard 16
#9 Jesse C. Ercillo Avery Dennison 14
#10 Paul L. Feintuch Hughes Aircraft 13
#10 Stanley L. Fry International Paper 13
#10 Robert E. Flynn Unknown 13
#10 Jason Hou 13
#14 Steven W. Cole Robert Bosch Gmbh 12
#14 Albert Lewis Glass Incorporated International 12
#16 Sonia Owen Avery Dennison 11
#17 Kenneth T. Stump 10
#17 John Sheehan Callaway Golf 10
#17 Stephen Schneider Securus Technologies 10
#17 George Rivera 10
#21 Nicholas Booth 3D Systems 9
#21 Tzu-Jung Wang Taiwan Hopax Chemicals Mfg. Co. 9
#21 Russell W. Burge Mobay Chemical 9
#24 Donald E. Mock Cetec Ag 8
#24 Ronald W. Froelich Xerox 8
#24 Ernst C. Benjamins Filam National Plastics 8
#27 Hsi-Jen J. Yeh University of California 7
#27 Adam Cole Salesforce 7
#27 Xiaojue Song Honey Wells 7
#27 Oscar Galvan Biosense Webster (Israel) 7
#27 Ruben Daniel Dominguez Hubbell Incorporated 7
#27 Ronald L. Brito 7
#27 Maoquan Deng 7
#27 Paul F. Carosa Ac Propulsion 7
#35 Lorenzo Barrios Qsc Audio Products 6
#35 Mark Medley Prime Wire & Cable 6
#35 Richard F. Klein Angiosonics 6
#35 John Gregorio Concentric Rockford 6
#35 Jarrod A. Hanson Amicrobe 6
#35 Jon R. Dickey 6
#35 Michael J. Masterson Martin Engineering 6
#35 Emmanuel C. Francisco Dreamworks Animation 6
#35 Donald J. Henderson Dempster Systems 6
#44 Mustafa Rez 5
#44 Donald E. Parreco Rgb Systems 5
#44 Xiaoyu Lu Xi'An Thermal Power Research Institute Co. 5
#44 Rez Mustafa 5
#44 Patrick D. Gavit 5
#44 James Tedesco Stoughton Composites 5
#44 Henry T. Killackey Hughes Missile Systems 5

Part of California