Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Kennett Square, PA ranks #1,446 worldwide for total patents filed all time, with 2,328 patents from 289 inventors. Leading employers of inventors based in Kennett Square, PA include Faro Technologies, Incyte, Matscitechno Licensing. That works out to 392.2 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 289 inventors

Rank Inventor Primary Company Patents
1 Robert E. Bridges Faro Technologies 157
2 Andrew P. Combs Incyte 127
3 Robert A. Vito Matscitechno Licensing 125
#4 Hong Wang Nps Pharmaceuticals 59
#5 Xuehui Sun The Chemours Company Fc 58
#6 Ying Kwong Yee Eli Lilly 52
#7 Alex Sergey Ionkin E.I. Du Pont De Nemours And 51
#8 John R. Hoffmann Gravic 48
#9 Zhongjiang Jia Incyte 47
#10 Daniel D. Friel, Jr. Edgecraft 43
#11 Perry G. Caimi E.I. Du Pont De Nemours And 41
#12 Howard Tennent Hyperion Catalysis International 38
#13 Vinci Martinez Felix E.I. Du Pont De Nemours And 36
#14 Richard Bauer E.I. Du Pont De Nemours And 35
#14 Walter R. Hertler E.I. Du Pont De Nemours And 35
#16 Donald Bernard Bivens E.I. Du Pont De Nemours And 32
#17 Jeffrey C. Trewella ExxonMobil 30
#17 David T. Beatson Kulicke & Soffa Investments 30
#17 Francis R. Salemme 3-Dimensional Pharmaceuticals 30
#20 Kenneth Wayne Leffew E.I. Du Pont De Nemours And 28
#21 Reinhold H. W. Bender Amerimas Home Products 26
#21 William R. Corcoran, Jr. E.I. Du Pont De Nemours And 26
#21 Richard D. Jenkins Union Carbide Chemicals & Plastics Technology 26
#24 Michael Howell Incyte 23
#24 Stephen H. Harris Arco Chemical Technology 23
#26 Argyrios G. Arvanitis Incyte 22
#27 Brian J. Waibel Dynasep 21
#27 David Thompson Siemens Healthcare Diagnostics 21
#27 Christopher J. Bish E.I. Du Pont De Nemours And 21
#30 Artem Shvartsbart Incyte 20
#30 Nils P. Steffensen Faro Technologies 20
#32 Vivek Kapur E.I. Du Pont De Nemours And 19
#32 William Frietze Incyte 19
#32 Michael J. Kelley Advanced Audio Devices 19
#32 George K. Kodokian E.I. Du Pont De Nemours And 19
#36 John W. Thomas American Sporting Goods 18
#37 Argyrios Georgios Arvanitis Dupont Pharmaceuticals 17
#37 James C. Kauer Cephalon 17
#37 Jeffrey I. Cohen The United States Of America, As Represented By The Secretary, Department Of Health And Human Services 17
#40 Jack A. Walker Biosense Webster (Israel) 16
#40 James J. Osborne E.I. Du Pont De Nemours And 16
#42 Maxwell S. Andrews Dell Products 15
#42 Engelbert Ciganek E.I. Du Pont De Nemours And 15
#44 Arthur W. Sleight E.I. Du Pont De Nemours And 13
#44 Robert P. Ricciardi University of Pennsylvania 13
#46 Douglas Myers Hologic 12
#46 Gregory M. Acland Cornell Research Foundation 12
#46 Richard E. Ernst E.I. Du Pont De Nemours And 12
#49 Kenneth E. Ballinger, JR. Arkion Life Sciences 11
#49 Robert T. Pannell Pannell Manufacturing 11

Part of Pennsylvania