Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Clarkston, MI ranks #944 worldwide for total patents filed all time, with 3,523 patents from 750 inventors. Leading employers of inventors based in Clarkston, MI include General Motors, Android Industries, Rocktron.

Showing 1–50 of 750 inventors

Rank Inventor Primary Company Patents
1 Alan G. Holmes General Motors 187
2 Dillon R. Blanski General Motors 74
3 James B. Borgerson General Motors 73
#4 Andrew L. Bartos General Motors 58
#5 Richard M. Kleber General Motors 49
#6 James N. Nickolaou General Motors 39
#7 Daniel E. Schmeckpeper General Motors 37
#7 Lawrence P. Ziehr General Motors 37
#9 Robert Reece Android Industries 36
#9 James K. Waller, Jr. Rocktron 36
#11 Jeffrey L. Kincaid American Axle & Manufacturing 30
#12 Michael J. Schnars Delco Electronics 28
#12 Bruce N. Greve The Budd 28
#14 William J. Wilson General Motors 27
#14 Chad T. Zagorski General Motors 27
#16 Attila Simofi-Ilyes Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft 26
#16 Pedro Garcia Arvinmeritor Technology 26
#18 David Leslie Agnew 25
#18 Andrew F. Pinkos American Axle & Manufacturing 25
#18 Martin S. Kramer General Motors 25
#21 Kurt D. McLain General Motors 24
#21 James D. Cunningham Toyota 24
#21 Timothy J. Grost General Motors 24
#24 Eric Gach Fellowes 22
#25 Shaun Mepham Allison Transmission 21
#26 Robert N. Hubbach Chrysler Group 20
#26 Bryan Prucher American Axle & Manufacturing 20
#26 Norman S. Martucci Teleflex Incorporated 20
#29 Joseph V. Bonadies Delphi Technologies 19
#29 Ernest J. Barry Chrysler Group 19
#31 Matt Alan Niesluchowski Ford 18
#31 Irvin D. Bond 18
#31 Stephen W. Decker General Motors 18
#31 James Campbell Becker Orthopedic Appliance 18
#31 Steven Stiles General Motors 18
#36 Richard Winston Hoyle Divergent Technologies 17
#36 Graham Russell Blackberry Limited 17
#36 Richard Beckmeyer Delphi Technologies 17
#36 William L. Villaire General Motors 17
#40 Alvin N. Standard General Motors 16
#40 Charles Dean General Motors 16
#40 Robert M. Andres 16
#40 Robert M. Voto Delphi Technologies 16
#40 Harry Levers Delphi Technologies 16
#40 Eric LaMothe Gkn Driveline North America 16
#40 Miguel Arturo Saez General Motors 16
#40 Patrick A. Tooman Plastic Engineering & Technical Services 16
#40 Ronald P. Knockeart Siemens Vdo Automotive Ag 16
#49 Michael A. Wuergler General Motors 15
#49 Frederick J. Uchman Gkn Automotive Limited 15

Part of Michigan