Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Durham, NC ranks #105 worldwide for total patents filed all time, with 24,810 patents from 4,103 inventors. Leading employers of inventors based in Durham, NC include IBM, Intellectual Ventures, X-Celeprint Limited. That works out to 87.5 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 4,103 inventors

Rank Inventor Primary Company Patents
1 Ruthie D. Lyle IBM 320
2 David R. Smith Intellectual Ventures 242
3 Matthew Meitl X-Celeprint Limited 215
#4 Anant Agarwal Cree 189
#5 John Edmond Cree 181
#6 Sidney D. Fleischman Ep Technologies 156
#7 Peter Scott Andrews Cree 154
#8 David T. Emerson Cree 147
#9 Charles S. Lingafelt IBM 142
#10 Mark F. Oldham Applied Biosystems 136
#11 Robert James Kapinos Lenovo (Singapore) Pte. 135
#12 Robert C. Williams, Jr. Nike 130
#13 Mark Charles Davis Lenovo (Singapore) Pte. 109
#14 Jesse Gilsinger Monsanto Technology 107
#15 Edward S. Suffern IBM 104
#16 Vamsee K. Pamula Advanced Liquid Logic 100
#16 Philip John Jakes Lenovo (Singapore) Pte. 100
#18 Eric Woods IBM 99
#19 Fred Allison Bower, III 97
#19 Michael G. Pollack Advanced Liquid Logic 97
#21 John R. Gilbert Cytonome/St 92
#22 William G. Pagan IBM 89
#23 Joseph A. Izatt Duke University 88
#24 Barton F. Haynes Duke University 85
#25 John H. Hebrank Embrex 84
#26 Gennaro A. Cuomo IBM 82
#27 William J. Hoekstra Viamet Pharmaceuticals 81
#27 David B. Slater, Jr. Cree 81
#29 Jian Zhang Zte 79
#30 Lawrence M. Boyd Sdgi 77
#31 William J. Brown Bioptigen 76
#31 Ikenna Odinaka Kepler Computing 76
#33 Stephen M. Grenon Tearscience 75
#34 Tuan Vo-Dinh Duke University 74
#35 Scott Curtis Waldeck Technology 73
#36 Lindsay Roberson Bsh Home Appliances 70
#36 Thomas H. Fischer Delphi Technologies 70
#38 Kam W. Leong The Johns Hopkins University 69
#39 David John Steiner Toshiba Global Commerce Solutions 68
#40 Etienne Menard University Of Illinois 67
#41 Ashutosh Chilkoti Duke University 66
#42 John W. Wilson Axon Enterprise 64
#43 John M. Wilson Kohler 62
#43 James DeYoung Micell Technologies 62
#43 David Jones Brady Duke University 62
#46 Stephen C. Hess Winston Furniture Company Of Alabama 61
#47 Miles A. de Forest Emc 60
#48 Bradley T. Estes Warsaw Orthopedic 56
#48 Derek Jantz Precision Biosciences 56
#48 John Scott Crowe Lenovo (Singapore) Pte. 56

Part of North Carolina