Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Plymouth, MI ranks #587 worldwide for total patents filed all time, with 5,791 patents from 1,052 inventors. Leading employers of inventors based in Plymouth, MI include Ford, Utilidata, Borgwarner. That works out to 618.0 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 1,052 inventors

Rank Inventor Primary Company Patents
1 Damon G. Depeyster Ford 173
2 David A. Janson Ford 126
3 Brian Robert Spahn Ford 85
#4 Michael Howard Shelby Ford 81
#5 David Bell Utilidata 71
#6 Richard Dyche Anderson Ford 67
#7 Mathew Alan Boesch Ford 62
#8 Robert Andrew Wade Ford 54
#9 Dan J. Showalter Borgwarner 53
#10 Arul M. Chinnaiyan University of Michigan 52
#10 Brad Alan VanDerWege Ford 52
#12 Eric M. Engerman Dana Automotive Systems Group 50
#13 Yilong Chen Wuhan Kaidi Engineering Technology Research Institute Co. 49
#14 Yun-Feng Chang ExxonMobil 47
#15 Steffen Mueller Berthold Technologies Gmbh & Co. Kg 44
#16 Kyle Fleischhacker Plastipak Packaging 42
#16 John Patrick Spicer General Motors 42
#18 John Matthew Ginder Ford 41
#19 Tat Shing Yu Leapers 39
#19 Francesco Viola Hemosonics 39
#21 Gary D. Mullen Ford 37
#21 Michael Steven Medoro Ford 37
#23 Theodore Charles Wingrove Visteon Global Technologies 34
#23 John Elliott Whitecar Visteon Global Technologies 34
#25 Norman Jerry Bird Ford 33
#25 Zeljko Deljevic Ford 33
#27 Brent Edward Sealy Ford 32
#27 Kevin Thomas Hille Ford 32
#27 Bruce Carvell Blakemore Ford 32
#30 Aaron Kehrer Handylab 30
#30 Gerald H. Engelman Ford 30
#30 Ronald Patrick Brombach Ford 30
#33 Zheng Lou Visteon Global Technologies 29
#33 Suhale Manzoor Dayco Ip Holdings 29
#35 Vincent Anthony Chimento Ford 28
#35 Donald P. Iacovoni Ford 28
#35 Andrew P. Bagnasco General Motors 28
#35 David Jeffeory Berels Ford 28
#35 Kevin R. Krause General Motors 28
#40 Paul Bryan Hoke Ford 27
#41 Christopher John Teslak Ford 26
#42 Joseph P. Borst Basf Se 25
#42 Steven P. Schwinke General Motors 25
#42 Jeffrey Allen Erion Visteon Global Technologies 25
#45 Nebojsa Duric Delphinus Medical Technologies 24
#45 David George Farmer Ford 24
#47 Michael Mixon Aisin Technical Center Of America 23
#47 David A. Yeager Ford 23
#47 J. Michael Spall Unisys 23
#47 Mark D. Morin Belanger 23

Part of Michigan