Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Mississauga, CA ranks #155 worldwide for total patents filed all time, with 17,990 patents from 3,799 inventors. Leading employers of inventors based in Mississauga, CA include Xerox, The Toronto-Dominion Bank, Certicom.

Showing 1–50 of 3,799 inventors

Rank Inventor Primary Company Patents
1 Gabriel Iftime Xerox 220
2 Marcel P. Breton Xerox 202
3 Peter G. Odell Xerox 186
#4 Peter M. Kazmaier Xerox 184
#5 Edward G. Zwartz Xerox 173
#6 Ping Liu Xerox 152
#7 Shadi L. Malhotra Xerox 137
#8 Daryl W. Vanbesien Xerox 129
#9 Richard P. N. Veregin 128
#10 Arun Victor Jagga The Toronto-Dominion Bank 113
#11 Ah-Mee Hor Xerox 112
#12 Daniel Richard L. Brown Certicom 100
#13 Hadi K. Mahabadi Xerox 97
#14 James D. Mayo Xerox 95
#15 James M. Duff Xerox 93
#16 Carolyn Moorlag Xerox 92
#16 Michelle N. Chretien Xerox 92
#18 Adela Goredema Xerox 88
#19 Zoran D. Popovic Xerox 78
#20 Yuning Li Xerox 77
#20 Klaus Tomantschger Integran Technologies 77
#22 Ryan Fung Intel 76
#23 Raymond W. Wong Xerox 72
#24 Per-Ake Larson Microsoft 69
#25 Kentaro Morimitsu Xerox 68
#26 Abedan Kanthasamy Lifestyle Solutions 66
#27 Biby Esther Abraham Xerox 65
#27 Iqbal Ahmed Phillips Petroleum 65
#27 Cheng-Kuo Hsiao Xerox 65
#27 Gregory J. Kovacs Xerox 65
#31 Zhibin Wang Oti Lumionics 63
#32 Paul McGrath Tristar Products 62
#33 Gary Neil Allseating 60
#34 Gagandeep Singh City Of Hope 59
#35 Abdelmalik Slassi Astrazeneca Ab 57
#36 Deshanand Singh Intel 56
#37 Kamen Vitanov Research In Motion Limited 54
#38 Michel Ouellette Nortel Networks Limited 49
#38 Arlindo L. Castelhano Osi Pharmaceuticals 49
#40 Dasarao K. Murti Xerox 48
#41 Cuong Tran IBM 46
#42 Vladislav Skorokhod Xerox 45
#43 Michael HELANDER Oti Lumionics 44
#43 Gordon K. Hamer Xerox 44
#43 Rakesh Patel Evertz Microsystems 44
#46 Suxia Yang Xerox 43
#46 Bhawan B. Patel 43
#48 William G. O'Brien Bce 42
#48 Warren A. Brackmann Rothmans, Benson & Hedges 42
#50 Caroline M. Turek Xerox 40