Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Toledo, OH ranks #544 worldwide for total patents filed all time, with 6,244 patents from 1,470 inventors. Leading employers of inventors based in Toledo, OH include Imaging Systems Technology, Nellcor Puritan Bennett, Fresh Products. That works out to 23.1 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 1,470 inventors

Rank Inventor Primary Company Patents
1 Carol Ann Wedding Imaging Systems Technology 93
2 Michael E. Fein Nellcor Puritan Bennett 86
3 Douglas S. Brown Fresh Products 75
#4 Paul M. Harris Owens-Brockway Glass Container 72
#5 Rick Alan Anderson Shanghai Yanfeng Jinqiao Automotive Trim Systems Co. 59
#6 Bert W. Elliott Owens Corning Intellectual Capital 54
#7 Robert Huber Ludwig-Maximilians-Universitat Munchen 47
#8 Thomas J. Krall 43
#8 Daniel K. Wedding Imaging Systems Technology 43
#10 Paul W. Erhardt The University Of Toledo 42
#11 Jon W. Harwood Ap Parts Manufacturing 41
#12 Michael Alan Tamor Ford 40
#13 David Newton Bp Chemicals Limited 39
#13 David A. Strickler Pilkington Group Limited 39
#13 Sebastian Huber Thyssenkrupp Presta 39
#16 Frank J. DiFrank Owens-Brockway Glass Container 38
#17 William L. H. Watkins Ford 37
#18 Edward R. Harrington Owens Corning Intellectual Capital 36
#19 Frank E. Semersky Plantic Technologies 34
#19 Kenneth E. Cooper Dana Automotive Systems Group 34
#19 Aaron Matthew DeLong Ford 34
#22 Bradley Alan Spraw Designetics 33
#23 W. E. Michael Mikhail 32
#24 David Charles Weber Ford 29
#24 Gordon W. Jones 29
#24 Michael J. Vild Glasstech 29
#27 Edward A. Grant Owens-Brockway Glass Container 28
#27 Robert F. Kontz Owens-Illinois 28
#27 David J. Taylor Wiggins Teape Group Limited 28
#27 Michael Kosmyna Illinois Tool Works 28
#27 Charles C. Turney Bestop 28
#32 Peter F. Gerhardinger Engineered Glass Products, Llc. 26
#32 Richard Weinstein The Devilbiss 26
#34 Wendell D. Willingham 25
#34 Sharad Magar Cambridge Neuroscience 25
#34 Philip J. Mazziotti The Zeller 25
#37 James L. Gregory 24
#37 William E. Fillmore 24
#37 Charles J. Barnhart Designetics 24
#37 Sasidhar Varanasi The University Of Toledo 24
#37 Timothy D. Birthisel The Andersons 24
#37 Peter S. Friedman Integrated Sensors 24
#37 Lorelei K. Wilson Libbey Glass 24
#44 Timothy J. Fuchs 23
#44 Thomas J. Schultz Gas Research Institute 23
#44 Steven H. Selman The University Of Toledo 23
#44 Garrett L. Scott Owens-Brockway Glass Container 23
#44 Michael P. Remington, Jr. Owens-Brockway Glass Container 23
#49 Thomas Truman First Solar 22
#49 Jerry Sharber Eldon Industries 22

Part of Ohio