Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Westport, CT ranks #925 worldwide for total patents filed all time, with 3,608 patents from 523 inventors. Leading employers of inventors based in Westport, CT include Cfph, IBM, Sugen.

Showing 1–50 of 523 inventors

Rank Inventor Primary Company Patents
1 Dean P. Alderucci Cfph 389
2 Dimitrios Pendarakis IBM 74
3 Gerald McMahon Sugen 73
#4 Martin Tremblay Infinity Pharmaceuticals 69
#5 Charles R. Sperry Sealed Air Corporation (Us) 68
#6 Scott Smith Intex Marketing 62
#7 James Patrick Dunn AT&T 60
#8 Yukio Nakajima Olympus Optical Co. 55
#9 Jeffrey Kapec Johnson & Johnson 54
#10 William Berson Pitney Bowes 53
#11 James E. Issler Columbia Insurance 52
#12 Andrew E. Beck Commscope Technologies 45
#12 Judith D. Auslander Pitney Bowes 45
#14 Arno Muller Pitney Bowes 44
#15 Charles R. Sherts United States Surgical 43
#16 Robert Chieda Newell Operating 42
#17 Stuart David Farnworth Acme United 40
#18 Csaba L. Rethy Covidien Lp 38
#19 Donald J. Roth Continental Can Company 33
#20 Richard L. Edelson Yale University 32
#20 Peter Toolan Benebone 32
#22 Eugene H. Gans Medicon Pharmaceuticals 29
#23 Robert Filepp IBM 28
#24 Arthur Kaufman H&Power 27
#25 Jesse S. Kruska Hunter'S Specialties 26
#25 Robert L. Brass Cauzin Systems, Incorporated 26
#27 Michael D. Dwork 25
#28 Ralph M. Steinman The Rockefeller University 24
#29 Kenneth M. Zinn Medical Components 23
#30 Jose Pastor Pitney Bowes 22
#30 David Wiener Soundtube Entertainment 22
#30 Xiaomei Yu Otis Elevator 22
#33 Raul Mihali Evolution Optiks Limited 21
#33 Abraham A. Arad Buddy L 21
#33 Sofia Dumery Abc School Supply 21
#33 Gregory Clark Scott Paper Limited 21
#37 Mark B. Greenwald Cooper Wiring Devices 19
#37 John Daniel Upton IBM 19
#37 David Boberski Chicago Mercantile Exchange 19
#37 Bernard G. Koether Technology Licensing 19
#41 Robert O. Horwath Nabisco Brands 18
#42 Richard A. Malin Pitney Bowes 17
#42 Andrew Thomas Snow Eli Lilly 17
#42 Jeroen Gerard Gosen Asml Netherlands B.V. 17
#45 Frank Rende United States Surgical 16
#45 Brenda Liistro Playtex Products 16
#45 George Kringel Act Medical 16
#45 Martin W. Sachs IBM 16
#49 Randy Shuken Mastercard 15
#49 John Cuccio Tie Communications 15

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