Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Markham, CA ranks #392 worldwide for total patents filed in 2018, with 334 patents from 181 inventors. Leading employers of inventors based in Markham, CA include IBM, Nanoport Technology, Sap Se.

Showing 1–50 of 181 inventors

Rank Inventor Primary Company Patents
1 Steve McDuff IBM 13
2 Timothy Jing Yin Szeto Nanoport Technology 9
3 Anthony Di Loreto 8
3 Le Zhang Sap Se 8
#5 Robin D. Grosman IBM 5
#5 Jahangir Afsharian Murata Manufacturing Co. 5
#5 Michael Ka Kit Leung 7D Surgical 5
#5 Xun Xue IBM 5
#9 Murugathas Yuwaraj Synaptive Medical (Barbados) 4
#9 Arthur L. De Magalhaes IBM 4
#9 Ettore Tiotto IBM 4
#9 Robert Andrew McTaggart Unknown 4
#9 Zhihua Yang Murata Manufacturing Co. 4
#9 David Glen AMD 4
#9 Zorawar S. Bassi Geo Semiconductor 4
#9 Xiaoming Zhou Shape Security 4
#9 Yuan-Chang Su Advanced Semiconductor Engineering 4
#9 Dewei Xu Murata Manufacturing Co. 4
#9 Christopher L. Brealey IBM 4
#20 Khalid Ahmed IBM 3
#20 Kevin Ka Wai Ng Inc Square, Co. 3
#20 Kirk Serjeantson Purolator 3
#20 Steven J. Perron 3M 3
#20 Jeffrey A. Wayne Dr. Reddy'S Laboratories Limited 3
#20 Anthony DiLoreto IBM 3
#20 Stephen Sutherland Crosswing 3
#20 Chui Ha Cindy Wong Perkinelmer Health Sciences 3
#20 John Chi Kit Wong Qualcomm 3
#20 Peter Varga Dr. Ing. H.C. F. Porsche Ag 3
#20 Daniel Thanos GE 3
#20 Henry Lum Genesys Telecommunications Laboratories 3
#20 Sunil J. Kamath IBM 3
#20 Carlos Javier Moreira Qualcomm 3
#20 Jarvis Chau General Motors 3
#20 Ali I. Sheikh IBM 3
#36 Fei Guo AMD 2
#36 Edwin Li Bay Valley Foods 2
#36 Chi Chiu Tse Blackberry Limited 2
#36 Gary Cheng Peraso Technologies 2
#36 Anthony Galea 2
#36 Scott Worden Multimatic 2
#36 Bogdan Z. Kasztenny Schweitzer Engineering Laboratories 2
#36 Nicholas C. Hawkes IBM 2
#36 Manokanthan Somasundaram Qualcomm 2
#36 Wei Li Huawei 2
#36 Prad Lad Multimatic 2
#36 Eric Rieder Fujifilm Sonosite 2
#36 Robert McGrayne 2
#36 Joseph Reiz Purdue Pharma 2
#36 Kathy Wing Lam Ma A9.Com 2