Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Glendora, CA ranks #1,907 worldwide for total patents filed all time, with 1,700 patents from 353 inventors. Leading employers of inventors based in Glendora, CA include Niagara Bottling, Rockley Photonics Limited, Kyocera Document Solutions. That works out to 32.4 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 353 inventors

Rank Inventor Primary Company Patents
1 Jay Clarke Hanan Niagara Bottling 86
2 Guomin Yu Rockley Photonics Limited 60
3 Neil-Paul Payoyo Bermundo Kyocera Document Solutions 54
#4 John A. Duran Avibank Manufacturing 47
#5 John Jianshi Wang AMD 46
#5 Dean M. Ponzi Biosense Webster 46
#7 Don J. Diamond City Of Hope 45
#8 Gary Blackburn Igen International 39
#9 Barry G. Broome Reliant Technologies 36
#10 David C. Kelley 32
#11 Buehl E. Truex Greatbatch 30
#12 Calvin A. Gongwer Innerspace 29
#13 Subbarao Surampudi Caltech 26
#13 Qianshan Li BMW 26
#15 Karl Anderson Ace Specialty 24
#16 Thomas Dale Peterson R.A. Phillips Industries 23
#17 James M. Christensen Oasis Medical 22
#17 Ray D. Reid Photon Systems 22
#19 Mark Richard Edris Rain Bird 21
#20 David Eugene Robertson Rain Bird 19
#21 Jerry Lin I/O Controls 17
#22 William J. Wichman Discovery Toys 16
#23 Christopher Pasqualino Broadcom 15
#23 Ming-Chu Hsu Taigen Biotechnology Co. 15
#23 Jack Li Ford 15
#26 James E. Ward Vlsi Technology 14
#27 Ray Winn 13
#27 Bruce Irvine Claremont Biosolutions 13
#29 William E. Harris, Jr. Brown International Corporation 12
#30 Richard D. Brown Rain Bird Sprinkler, Mfg. 11
#30 George V. Shutt Zimmer 11
#30 William M. Hallidy Western Gear 11
#30 Martin D. Husted Innovative Hearth Products 11
#30 John Hardy Ashton Biosense Webster (Israel) 11
#35 Emmanuel A. Ojo-Amaize Immune Modulation 10
#35 David van Heerden The Johns Hopkins University 10
#35 Mike Walker Taylor Made Golf Company 10
#35 Joseph DeVita Symbol Technologies 10
#39 Maksudul M. Alam Innosense 9
#39 Giles A. Kendall Anthony Manufacturing 9
#39 George Bullis Finisar 9
#39 Kristopher M. Laffin Disney 9
#39 Richard W. Erickson 9
#39 Daniel Meyer L&P Property Management 9
#39 Edwin R. Leonard Dreamworks Animation 9
#46 Donald R. Reiterman Paulson Manufacturing 8
#46 John A. Forthun Dense-Pac Microsystems 8
#46 Ayan Chakrabarty General Motors 8
#46 Sathya Padmanabhan Maury Microwave 8
#46 Craig S. Beshore Biosense Webster 8

Part of California