Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Markham, CA ranks #363 worldwide for total patents filed in 2021, with 393 patents from 215 inventors. Leading employers of inventors based in Markham, CA include The Toronto-Dominion Bank, IBM, AMD.

Showing 1–50 of 215 inventors

Rank Inventor Primary Company Patents
1 Arthur Carroll Chow The Toronto-Dominion Bank 14
1 Steve McDuff IBM 14
3 Fei Guo AMD 11
#4 Le Zhang Sap Se 9
#5 Anthony Di Loreto 8
#5 Bogdan Z. Kasztenny Schweitzer Engineering Laboratories 8
#5 Yanfeng Wang IBM 8
#8 Joseph Lam IBM 7
#9 Ronen Grosman IBM 6
#9 Michael Yee Meta 6
#9 Wei Li Huawei 6
#12 David Glen AMD 5
#13 Haven Lau General Motors 4
#13 Jin Li Legerity 4
#13 Joanna W. Ng IBM 4
#13 Galina Okouneva Magna Electronics 4
#13 Justin Seto The Toronto-Dominion Bank 4
#13 Murugathas Yuwaraj Synaptive Medical (Barbados) 4
#19 Gabor Sines AMD 3
#19 Michael Ka Kit Leung 7D Surgical 3
#19 Denis Kouroussis Atom Power 3
#19 Edward A. Harold AMD 3
#19 Zhao Cheng IBM 3
#19 Zhuo Chen Microsoft 3
#19 Ed Callway AMD 3
#19 Zicheng Li General Motors 3
#19 Jahangir Afsharian Murata Manufacturing Co. 3
#19 Gaganpreet SINGH Huawei 3
#19 Barry Barnett RTX (Raytheon) 3
#19 Ramesh V. Raj IBM 3
#31 Feng-Ying Fu Apr Beauty Group 2
#31 Balathas Nagamany Multimatic 2
#31 Mark Graham Stoodley IBM 2
#31 Benjamin Koon Pan Chan AMD 2
#31 Wenjin Gu Meta 2
#31 Steven J. Perron 3M 2
#31 Anthony DiLoreto IBM 2
#31 David Kalmuk IBM 2
#31 Ettore Tiotto IBM 2
#31 Mehdi Saeedi AMD 2
#31 Dewei Xu Murata Manufacturing Co. 2
#31 Mona HOSSEINKHANI LOORAK Huawei 2
#31 Keith Lee AMD 2
#31 Richard Chau Quoc-Hue Liberty Sport 2
#31 Omer Irshad AMD 2
#31 Jason T S Lam IBM 2
#31 Tom Longo Qualcomm 2
#31 Andy Sung AMD 2
#31 Lee M. Nicholson IBM 2
#31 Hengshuai Yao Huawei 2