Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Whitby, CA ranks #3,195 worldwide for total patents filed all time, with 944 patents from 267 inventors. Leading employers of inventors based in Whitby, CA include General Motors, RTX (Raytheon), Fujifilm Sonosite.

Showing 1–50 of 267 inventors

Rank Inventor Primary Company Patents
1 Norman J. Weigert General Motors 57
2 Michael Joseph Murphy RTX (Raytheon) 54
3 Reza Zarringhalam General Motors 40
#4 Joseph K. Moore General Motors 34
#5 Nicholas Christopher Chaggares Fujifilm Sonosite 24
#6 Neeraj R. Gautama General Motors 22
#7 David Milton Nortel Networks Limited 21
#8 Samir P. Tabash Opko Ireland Global Holdings 20
#9 Paul Martin Kehoe Product Specialties 19
#10 Avesta Goodarzi General Motors 17
#11 Wayne S. Sheldrick Scientific-Atlanta 16
#12 Ralph D. Schlottke General Motors 15
#13 Ben Liang Ericsson 12
#13 Kenneth S. Darley Griffith Laboratories 12
#15 Daniel Pierre Kehoe Product Specialties 11
#15 Joseph A. Mulcahy J. Mulcahy Enterprises 11
#17 Michael J. Irwin 3M 10
#17 John A. Rowe Corning Cable Systems 10
#17 Jan Hendrikse Smiths Detection Montreal 10
#17 Craig Edward Dixon Akebia Therapeutics 10
#21 Grant L. Meade General Motors 9
#21 Edward Evans Htr Development 9
#23 David Johnston Bce 8
#23 Christopher J. Mettrick General Motors 8
#23 Ed Evans Htr Development 8
#23 Terry W. Ostan General Motors 8
#23 Hongguang Sun General Motors 8
#23 Bruce J. McColl Owens-Illinois 8
#29 Martin Kehoe Product Specialties 7
#29 Richard Phillips Plastic Enterprises Co. 7
#29 Philip Waldron Logitech Europe S.A. 7
#32 David Richard Godwin IBM 6
#32 Gilles M. Delorme General Motors 6
#32 Haipeng Yan Inc Square, Co. 6
#32 Eric Yeung Blackberry Limited 6
#32 Prateek Bhatnagar Netapp 6
#37 Yarko Matkiwsky Flextronics Automotive 5
#37 Christopher Novak Broadcom 5
#37 Luis Prior Webbed Sphere 5
#37 William R. Bonnar Amerimas Home Products 5
#37 Edward R. Evans Ncr 5
#37 Thomas Joynson-Dickomeit Product Specialties 5
#37 Ivan Ivor Chobot IBM 5
#37 Scott Calnek General Motors 5
#37 Richard Hibbs Logitech Europe S.A. 5
#37 Jeffrey Kenneth Carson Jbt Steel Industries 5
#37 Kent Harold Lambie Amphenol 5
#37 Trevor Campbell Suncor Energy 5
#49 Jaroslaw Henryk Dawidziuk Tyco Electronics Canada Ulc 4
#49 Robert David Dunn Kraft Canada 4