Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Thornhill, CA ranks #1,386 worldwide for total patents filed all time, with 2,427 patents from 534 inventors. Leading employers of inventors based in Thornhill, CA include Xerox, Pioneer (Corteva), Qualcomm.

Showing 1–50 of 534 inventors

Rank Inventor Primary Company Patents
1 Barkev Keoshkerian Xerox 167
2 Jayantilal Devabhai Patel Pioneer (Corteva) 104
3 Evan Hildreth Qualcomm 64
#4 Manfred A. A. Lupke 62
#5 Ron Lapsker Prosoft International 51
#6 Nina Sterlin Royal Group 42
#7 Alexandre Loboda Dh Technologies Development Pte. 37
#8 Wen-Yen Chan Research In Motion Limited 36
#9 Benjamin Rovinski Connaught Laboratories 31
#9 Victor Chan 31
#9 Philip James Beatty GE 31
#12 Jonathan David Garman Nono 30
#12 Harold Wodlinger Cardioinsight Technologies 30
#14 Lev Mirlas IBM 28
#15 Desmond Hirson Fujifilm Sonosite 25
#16 Leon Saltsov Cashcode Company 24
#17 Ketan Padalia Intel 22
#18 Jay W. Benayon IBM 21
#19 Yunwei Jia Lsi 20
#19 Ilya Klebanov Broadcom 20
#19 David Lazarovich Honeywell 20
#19 Joseph Eytan Benedek Blackberry Limited 20
#23 Wai Tung Ng Texas Instruments 19
#23 Run-Pan Du Connaught Laboratories 19
#25 Michael J. D'Amato Xerox 17
#26 James Mehi Visualsonics 16
#26 Lihui Chen Ford 16
#28 Charles Sia Connaught Laboratories 15
#28 Tino Alavie Qvella 15
#30 Werner Guenther Richarz Mueller International 14
#30 Joshua Lapsker Starline Industries 14
#30 Ken Hersh Soluble Technologies Group 14
#30 Dirk Alexander Seelemann, II IBM 14
#34 Hugh Chow AMD 13
#34 Jayantilal Patel Pioneer (Corteva) 13
#36 Nattavut Sutyanyong IBM 12
#36 Gregory Jacob Duclos Genesys Telecommunications Laboratories 12
#36 Dalsu Lee Blackberry Limited 12
#39 Markus Hess Icefloe Technologies 11
#39 Igor Elkhinovich The Toronto-Dominion Bank 11
#39 Mikhail Shoykher Flextronics Ap 11
#42 David Hochman Hyal Pharmaceutical 10
#42 Richard Wong AT&T 10
#42 Michael Levy Howmedica 10
#42 Charles H. Mitchell Alcatel Canada 10
#42 David Weintraub Unknown 10
#42 Khaled Saab Adaptiv Networks 10
#42 David L. Propp Adaptiv Networks 10
#42 Boris Feldman Microsoft 10
#50 Amira N. Taiyab IBM 9