Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Madison, CT ranks #1,043 worldwide for total patents filed all time, with 3,257 patents from 375 inventors. Leading employers of inventors based in Madison, CT include Transdermal Biotechnology, Covidien Lp, Olin.

Showing 1–50 of 375 inventors

Rank Inventor Primary Company Patents
1 Nicholas V. Perricone Transdermal Biotechnology 168
2 Russell Heinrich Covidien Lp 100
3 Deepak Mahulikar Olin 82
#4 Jason Allan Wiles Achillion Pharmaceuticals 80
#5 Milind Deshpande Achillion Pharmaceuticals 78
#6 William C. Pfefferle Precision Combustion 76
#7 Zhongxing Zhang Bristol-Myers Squibb 75
#8 Matthew Chowaniec Covidien Lp 68
#9 Brian Reed Quantum-Si Incorporated 63
#10 John J. Daniels Articulated Technologies 54
#10 Kap-Sun Yeung Bristol-Myers Squibb 54
#10 Cuixian Liu Forma Therapeutics 54
#13 Hanqing Dong Arvinas Operations 52
#14 Brian J. Creston Covidien Lp 51
#15 Eric Brown Covidien Lp 50
#16 Giovanni C. Meier Defibtech 48
#17 Subir Roychoudhury Precision Combustion 46
#18 Paul E. Sanders Weatherford/Lamb 44
#19 John C. Yarwood Olin 42
#20 John Laviola Hologic 41
#21 Rajagopal Bakthavatchalam Neurogen 38
#22 Kevin S. Garrity Garrity Industries 36
#23 He Zhao Neurogen 34
#24 John W. Simpson Curagen 33
#25 David Kirsch Covidien Lp 32
#26 Edward M. Dowd Weatherford/Lamb 31
#27 Michael D. Cecchi Genx International 29
#28 Raymond C. Benn Inco Alloys International 28
#29 Petros Tsipouras Ikonisys 27
#30 Adam Golebiowski Oncoarendi Therapeutics S.A. 26
#31 Fukang Yang Bristol-Myers Squibb 25
#32 Katharine A. Grant-Young Bristol-Myers Squibb 24
#33 Hongbin Li Forma Therapeutics 23
#33 Herbert F. D'Alo Abbott 23
#35 Ronald Cozean Resilience Magnum Ip 21
#35 Kevin W. Gillman Bristol-Myers Squibb 21
#37 Robert J. Schoelkopf, III Yale University 20
#37 Alan C. Miller Hubbell Incorporated 20
#39 Edward F. Smith, III Olin 19
#40 Michael L. Rosin Olin 18
#40 Mary Theresa Didiuk Pfizer 18
#40 Peiying Liu Bristol-Myers Squibb 18
#43 Vinod V. Pathy Pathy Medical 17
#43 Edward F. Cassidy ICI 17
#43 Philip Irka Covidien Lp 17
#43 Donald Terry Allen Research & Design Innovations 17
#43 J. Michael Weaver Standard Knapp 17
#43 Douglas A. Farmer, Jr. Olin 17
#43 Ned W. Polan Olin 17
#50 Haiquan Fang Bristol-Myers Squibb 16

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