Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Brampton, CA ranks #1,060 worldwide for total patents filed all time, with 3,209 patents from 1,005 inventors. Leading employers of inventors based in Brampton, CA include RTX (Raytheon), IBM, Astrazeneca Ab.

Showing 1–50 of 1,005 inventors

Rank Inventor Primary Company Patents
1 Hien Duong RTX (Raytheon) 51
2 Manvendra Gupta IBM 47
3 Jian-Min Fu 42
#4 Methvin Isaac Astrazeneca Ab 36
#4 Gordon Caruk AMD 36
#6 Douglas G. Broadhead Warren Industries 30
#7 Jason Yantha Syn X Pharma 28
#8 David D'Souza Microsoft 26
#8 Thomas E. Stewart Oracle 26
#8 Andre Fortier Mécanique Analytique 26
#8 Paramvir Singh Nagpal Mapsted 26
#12 Philip Y. W. Tsui Unknown 25
#13 Arun Malhotra Aiwa Research And Development 23
#13 Dana Tomescu RTX (Raytheon) 23
#13 Christopher J. Pearen Summit Glove 23
#16 Krishna Prasad Balike RTX (Raytheon) 22
#16 Narendra Kumar B. Patel University Health Network 22
#16 Raul Rajiv Rupsingh Interaxon 22
#19 Harjot Singh Panag The Toronto-Dominion Bank 21
#19 Harold E. Joseph Magna Electronics 21
#21 Yanmin Mao Zebra Technologies 20
#21 H. J. Paul LANGEN H. J. Langen & Sons 20
#21 David B. Webb Andrew 20
#24 Syed Rizvi Elc Management 19
#24 Ninad Joshi RTX (Raytheon) 19
#26 Robert J. Falkiner ExxonMobil 18
#26 Gallen Ka Leung Tsui Unknown 18
#28 Sanjoy Mullick Interface Biologics 17
#28 Jailall Ramnauth Neuraxon 17
#30 Shiv G. Patel General Motors 15
#30 Sotos M. Theodoulou Delphax Systems 15
#30 William KEARNS California Innovations 15
#30 Rosa M. Duque Xerox 15
#34 Lawrence T. Malek Cangene 14
#34 Panagiotis Zosimadis Georgia-Pacific 14
#34 Ronald Ing Husky Injection Molding Systems 14
#34 Satish Asotra Taro Pharmaceuticals North America 14
#34 Trung Duc Pham Ryse 14
#39 Manav Gupta Momentive Performance Materials Gmbh 13
#39 Tim Fielding Neuroarm Surgical 13
#39 David I. Gwynne Acorda Therapeutics 13
#39 Basil Thompson Martheenal Orbis Canada Limited 13
#39 Jatin Naik Pivotal Software 13
#39 Czeslaw Wojtyczka RTX (Raytheon) 13
#39 Emil Tarnowsky Jempak 13
#46 Stanley R. Moote Imagine Communications 12
#46 John G. Barnes The Boeing 12
#48 Reinhart K. Pildner Digital Security Controls 11
#48 Samir R. Parikh Par-Pak 11
#48 Edgar Davin Salatandre 11