Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Dayton, OH ranks #362 worldwide for total patents filed all time, with 8,700 patents from 1,892 inventors. Leading employers of inventors based in Dayton, OH include Nanotek Instruments Group, Morning Pride Manufacturing, L.L.C., Emerson Climate Technologies. That works out to 63.2 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 1,892 inventors

Rank Inventor Primary Company Patents
1 Aruna Zhamu Nanotek Instruments Group 425
2 Bor Z. Jang Nanotek Instruments Group 226
3 William L. Grilliot Morning Pride Manufacturing, L.L.C. 144
#4 Mary I. Grilliot Morning Pride Manufacturing, L.L.C. 140
#5 Hung M. Pham Emerson Climate Technologies 134
#6 Michael J. Piatt Eastman Kodak 133
#7 Jean-Luc M. Caillat Copeland Lp 84
#8 David Louis Kirschman X-Spine Systems 71
#9 Richard E. Cone Cosco 70
#9 Marc Georgin Goodrich 70
#11 Marc L. Moor The Mead 56
#12 Andrew P. Nock Devicor Medical Products 55
#13 James V. Cartmell Ndm Co. 50
#14 Robert A. Stein Ford 48
#14 Vincent G. Dominic Infinera 48
#16 Daniel Eylon US Air Force 46
#17 Robert J. Disser Delphi Technologies 42
#17 Meredith Spence, Jr. Lisco 42
#17 Edward Earl King Cem 42
#20 Erik Blasch Intel 40
#21 Alfredo Vinci Church & Dwight Co. 36
#22 Ming Xie GE 35
#22 Brian K. Linstedt Owens Corning Intellectual Capital 35
#24 Baofei Pan Global Graphene Group 33
#25 Bryan P. Riddiford Delphi Technologies 32
#25 Orville C. Huggins Monarch Marking Systems 32
#27 Richard L. Sutherland Science Applications International 31
#27 Patrick K. McCarty Stolle Machinery Company 31
#29 Rodger L. Gamblin Burlington Industries 29
#29 Tianning Xu Kci Licensing 29
#31 Joseph C. Huang Premark Feg L.L.C. 28
#31 Nicholas V. Valentino Ferno-Washington 28
#31 Paul F. McManamon Exciting Technology 28
#34 Donald A. Morrison Monarch Marking Systems 27
#35 Brian G. Morris Eastman Kodak 26
#36 Michael Griffin Hayek The Iams 25
#36 Aleksander B. Hac Delphi Technologies 25
#36 Keith Edward Martin Atricure 25
#39 Fred E. Williams, Jr. Ryder International Co. 24
#40 Justin J. Zimmer Intel 23
#40 Amol Soin Soin Neuroscience 23
#42 Vince P. Tondiglia Science Applications International 22
#42 Joshua Pressnell Penthera Partners 22
#42 Ralph P. Stodd Container Development 22
#45 Ned S. Rasor Capnia 21
#45 A. Dale Lakes 21
#45 Mike Rowe W.C. Bradley 21
#45 Michael F. Baumer Eastman Kodak 21
#45 Hugh B. Skees Standard Register 21
#45 Michael J. Emoff Boost Technologies 21

Part of Ohio