Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Stouffville, CA ranks #5,271 worldwide for total patents filed all time, with 497 patents from 113 inventors. Leading employers of inventors based in Stouffville, CA include Autoliv Asp, AMD, Machine-O-Matic Limited.

Showing 1–50 of 113 inventors

Rank Inventor Primary Company Patents
1 Jeffrey D. Williams Autoliv Asp 52
2 Ihab Amer AMD 46
3 Josef W. Schwarzli Machine-O-Matic Limited 44
#4 Gerald W. Smith Involv International 20
#5 Robert G. Lau Federal-Hoffman 19
#6 John H. Saringer Saringer Research 18
#7 Jimmy Lu General Motors 13
#8 Christopher M. Barton IBM 10
#9 William Barry Crago Bce 9
#9 Vinay Patel AMD 9
#11 Norman Koster Matrex Window System 8
#12 Markus Hetzler Warren Industries 7
#12 Robert Neugebauer 7
#12 Pasit Banjongpanith Warren Industries 7
#12 Frank Belme Imagine Communications 7
#16 Harry K.W. Kim Texas Scottish Rite Hospital For Children 6
#16 Teodor Pantchev GRANTCHAROV 6
#16 Franciscus J. A. Storimans 6
#16 Andrew Julius Greff IBM 6
#16 Jeremiah S. Swan IBM 6
#16 Alan Dagenais Bce 6
#16 David Martineau IBM 6
#23 Ron Muir Chemtura 5
#23 Philippe Gray Eleappower 5
#23 Ho Hin Lau AMD 5
#23 Dawne Barry Colgate-Palmolive 5
#23 Crispina O. Caballero Mann Conroy Eisenberg & Associates 5
#28 Andre Singer Siemens Energy Global 4
#28 Salvatore Agosta Simex 4
#28 Mark Medeiros USAA 4
#28 Robert Deveaux GE 4
#28 Weimin Rang Blackberry Limited 4
#28 Victor L. Szabo IBM 4
#28 Curtis R. Miles IBM 4
#28 Sachidanandan Murugiah Tyco Electronics Canada Ulc 4
#28 Donald Segal Helix Biopharma 4
#28 Helmut Zauner O-Two Systems International 4
#38 Frank Daigle Siemens Aktiengesellschaft 3
#38 Robert J. Prince 3
#38 Murray Rundle Billie 3
#38 Thomas B. Totten 3
#38 Allan Sasnowski Magna Marque International 3
#38 Patrick M. Y. Waye Mine Radio Systems 3
#38 Bruno Gass Magna International 3
#38 Gareth Kenworthy Warren Industries 3
#38 Peter Christopher Michael Hillar 3
#47 Gabriela Ramer 2
#47 Kevin Ramer 2
#47 Christopher George-R Agia Huawei 2
#47 Adam K. D'Andrea IBM 2