Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Markham, CA ranks #444 worldwide for total patents filed in 2016, with 278 patents from 163 inventors. Leading employers of inventors based in Markham, CA include Dr. Ing. H.C. F. Porsche Ag, IBM, Nanoport Technology.

Showing 1–50 of 163 inventors

Rank Inventor Primary Company Patents
1 Peter Varga Dr. Ing. H.C. F. Porsche Ag 15
2 Yanfeng Wang IBM 7
3 Timothy Jing Yin Szeto Nanoport Technology 6
3 David Kalmuk IBM 6
#5 Yuan-Chang Su Advanced Semiconductor Engineering 5
#6 David Parshad Inscape 4
#6 Bogdan Z. Kasztenny Schweitzer Engineering Laboratories 4
#6 Fei Guo AMD 4
#6 Jarvis Chau General Motors 4
#6 Corrie H. Kwan IBM 4
#6 Mark Graham Stoodley IBM 4
#6 Robert Csiki Flextronics Ap 4
#6 Paul M. Bird IBM 4
#6 Eric Young Vixs Systems 4
#15 Michael Ka Kit Leung 7D Surgical 3
#15 Zicheng Li General Motors 3
#15 Xiaoming Zhou Shape Security 3
#15 Alan Pak-Lun Ho Blackberry Limited 3
#15 Steven J. Perron 3M 3
#15 Jeffrey A. Wayne Dr. Reddy'S Laboratories Limited 3
#15 Christian F. Helvig Opko Ireland Global Holdings 3
#15 Ali I. Sheikh IBM 3
#15 David Glen AMD 3
#15 Chi Chiu Tse Blackberry Limited 3
#15 Richard N. Hyatt 3
#26 Susanna W. Tai IBM 2
#26 James I. Gartley IBM 2
#26 Shuxun Zhou IBM 2
#26 Stephen Sutherland Crosswing 2
#26 Chui Ha Cindy Wong Perkinelmer Health Sciences 2
#26 Norman Vernon Douglas Stewart Vixs Systems 2
#26 Mitalkumar Kanabar GE 2
#26 Arthur L. De Magalhaes IBM 2
#26 Chun-Chin Yeh Vixs Systems 2
#26 Christopher E. Bowler IBM 2
#26 Rodney Ignatius Thales Canada 2
#26 Ajith Shanmuganathan IBM 2
#26 Ari Sodhi Calix 2
#26 Barry Barnett RTX (Raytheon) 2
#26 Kathy Wing Lam Ma A9.Com 2
#26 Brian Ward Thomson IBM 2
#26 Yubao Zheng AMD 2
#26 Anthony Di Loreto 2
#26 Tommy U. Hoffner IBM 2
#26 Hao Hai Ma IBM 2
#26 Dale Wick Crosswing 2
#26 William G. O'Farrell IBM 2
#26 Michael Wulkan IBM 2
#26 Lee M. Nicholson IBM 2
#26 Jin Li Legerity 2