Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sudbury, CA ranks #6,795 worldwide for total patents filed all time, with 353 patents from 150 inventors. Leading employers of inventors based in Sudbury, CA include C-I-L, Xerox, General Motors.

Showing 1–50 of 150 inventors

Rank Inventor Primary Company Patents
1 Gordon M. Cameron C-I-L 33
2 Michael P. Kehoe Xerox 14
3 Chris Morgan General Motors 13
#4 Joseph Eibl 1929803 Ontario 10
#4 Jon-Emile Kenny 1929803 Ontario 10
#6 Patrick Lehoux Google 9
#7 Benjamin David Polzer Vale S.A. 8
#8 Michael Parsons Rheem Manufacturing 7
#8 Louis Mercier Ipl 7
#10 Amadeo Mark Parissenti 6
#11 Andrew Eibl 1929803 Ontario 5
#11 Donald D. Young Inco Limited 5
#13 Olivier Hugo Christopher Dany Vanderbeken 4
#13 Tilak Dutta University Health Network 4
#13 Daniel G. Millette Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Natual Resources 4
#13 Roland Lavoie 4
#13 Baoqing Guo 4
#13 Ronald Kanerva 4
#19 Gilles Leduc 3
#19 Douglas Maenpaa 3
#19 Vladimir K. Blechta Inco Limited 3
#19 Peter F. Wells Falconbridge Limited 3
#19 Hoyun Lee 3
#19 Mark Steklasa Unknown 3
#19 Randy E. Grenon J.S. Redpath Limited 3
#19 Mark Jewell Tri-D Technologies 3
#19 Roberto Berardi Fenicem Minerals 3
#19 Gary Kaiura Falconbridge Limited 3
#19 Gary J. O'Connell Falconbridge Limited 3
#19 Mohamed Buarzaiga Vale Inco Limited 3
#19 Peter Mensour Unknown 3
#19 Patrick Timony 3
#19 Henghu Sun Inco Limited 3
#19 Denis Champaigne 3
#19 Milad Mansour, Jr. Reperformance 3
#19 Gregory Dalton IBM 3
#19 Kelsey Leduc 3
#19 Paul Andrew Roy Summers Mott'S Llp 3
#19 Callen Patrick McGibbon Reperformance 3
#19 Peter Ryan Southwind Enterprises 3
#19 James Delsaut 3
#42 Rashmi Narendrula 2
#42 Yaokun Wu Fci Holdings Delaware 2
#42 Calvin C. Hayes 2
#42 Dale W. Krueger Inco Limited 2
#42 Richard Edward Dignard 2
#42 Jeffrey Charles Henry Dyck Cytec Technology 2
#42 Kristofer Vorwerk Microsemi Soc 2
#42 Alfred Annor Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Natual Resources 2
#42 Tracy Thompson Mark Anthony International Srl 2