Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Vaughan, CA ranks #981 worldwide for total patents filed all time, with 3,445 patents from 927 inventors. Leading employers of inventors based in Vaughan, CA include RTX (Raytheon), Dominion Plastics, Newage Products.

Showing 1–50 of 927 inventors

Rank Inventor Primary Company Patents
1 Andreas Eleftheriou RTX (Raytheon) 60
2 Tony DiGiorgio Dominion Plastics 59
3 Robert Vandenham Newage Products 51
#4 Alexander Sherkin Blackberry Limited 48
#5 David Chan Leviton Manufacturing Co. 42
#6 Lisa Cousins Ionics Mass Spectrometry Group 41
#6 Michael Aronzon Steelseries Aps 41
#8 Micolino Tobia Isco International 38
#9 Tim Fat Tam Apotex 37
#10 Marinus J. M. Langen H. J. Langen & Sons 36
#11 Hamid Badiei Perkinelmer Health Sciences 33
#12 Peter Guttinger H. J. Langen & Sons 31
#13 Eduardo Hawie RTX (Raytheon) 29
#14 Tao Xin Astrazeneca Ab 28
#15 Mary E. Ewasyshyn Connaught Laboratories 27
#15 Sean Davies 420820 Ontario Limited 27
#17 Steven Rossi Worksport 26
#18 Vladimir Goldstein Sunwell Engineering Company Limited 25
#18 Bohdan Zabawskyj Redknee 25
#18 Louie Leonelli Pillar Plastics Limited 25
#21 Marek Lipsztajn Tenneco Canada 24
#22 Lance Greggain Genesis Microchip 23
#22 Zhihong Luo Globalfoundries Singapore Pte. 23
#22 Shaul Goldenberg 420820 Ontario Limited 23
#25 Mario Boisvert Nartron 22
#25 Gregory Colacitti Drone Delivery Canada 22
#25 Kamal S. Boutros Amphenol 22
#28 James F. Farrell Jds Uniphase 20
#28 David Glen AMD 20
#28 William Huang Qualcomm 20
#31 Barry James Johnson Tyco Electronics Canada Ulc 19
#31 Alan Drizen L.A.M. Pharmaceutical 19
#31 Salvatore A. Bruno E.I. Du Pont De Nemours And 19
#31 Paul Arato Unknown 19
#35 Maya Stevanovic The Gillette Company 18
#36 Peter Santos Audience Partners 17
#36 Gabriel Petta Alpa Lumber 17
#36 Sinnathamby Kupenthirarajan 420820 Ontario Limited 17
#39 Ian French Consolidated Engineering Company 16
#39 John DiSimone Husky Injection Molding Systems 16
#39 Jurgen Schemmer Curozone Ireland Limited 16
#39 Roman A. Dyba Freeescale Semiconductor 16
#43 Buturab Rizvi The Toronto-Dominion Bank 15
#43 Lorie Marangoni Teknion Furniture Systems Limited 15
#43 John Jeffers General Instrument 15
#43 Romeo Tedesco Global Upholstery 15
#43 Eros Gulo Mapsted 15
#43 Ajit K. Bose Union Camp 15
#43 Paul Di Benedetto Drone Delivery Canada 15
#50 Conrad Marini Hni Technologies 14