Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Hamden, CT ranks #1,040 worldwide for total patents filed all time, with 3,259 patents from 554 inventors. Leading employers of inventors based in Hamden, CT include Foveon, IBM, Covidien Lp.

Showing 1–50 of 554 inventors

Rank Inventor Primary Company Patents
1 Richard B. Merrill Foveon 108
2 Soobaek Jang IBM 95
3 Henry E. Holsten Covidien Lp 90
#4 Andrew J. Curello Societe Bic 77
#5 Venkat Rao Gadhachanda Achillion Pharmaceuticals 66
#6 Godwin Pais Achillion Pharmaceuticals 63
#7 David Valentine Covidien Lp 62
#7 Atul Agarwal Achillion Pharmaceuticals 62
#9 Garrett P. Ebersole Covidien Lp 53
#10 Michael Horn Huels Aktiengesellschaft 51
#11 David A. Johnson Jfs B.V. 48
#12 Julius C. Fister Olin 40
#12 Eugene Shapiro Olin 40
#14 Wes Rhoad Eveready Battery Company 38
#15 Timothy D. Kosa Covidien Lp 37
#16 Roanit Fernandes Covidien Lp 34
#17 Amin Elachchabi Covidien Lp 32
#18 David J. Wasserman RTX (Raytheon) 31
#19 Gaetan Ladouceur Bayer Healthcare 28
#20 Paul R. Sette Pitney Bowes 27
#21 Aaron C. Schmitt Gilead Connecticut 25
#21 Michael Fischer Oris Fahrzeugteile Hans Riehle Gmbh 25
#23 Spyridon Artavanis-Tsakonas Yale University 24
#23 Jan Schroers Yale University 24
#25 Kenny Padro Hubbell Incorporated 22
#26 Richard Lech Covidien Lp 21
#26 Michael Scardera Olin 21
#26 Paul Murphy Molex 21
#29 Uday Khire Bayer Healthcare 20
#29 Richard T. Jones Weatherford/Lamb 20
#29 Sean Evelich Blue Buffalo Enterpises 20
#29 Ronald Albright Yale University 20
#33 Robert F. Snyder Raymond Engineering 19
#33 Michael Choma Ford 19
#33 Robert L. Richards Amoco 19
#33 Matthew T. Luszcz Sikorsky Aircraft 19
#37 William L. D'Agostino Johnson & Johnson 18
#37 Paul B. Darcy Microsoft 18
#37 Jonathan M. Gershoni Ramot At Tel-Aviv University 18
#40 James L. Lucas RTX (Raytheon) 17
#40 Randolph Carlton McGee Hamilton Sundstrand 17
#40 Michael Simons Beth Israel Deaconess Medical Center 17
#43 John M. Pawelek Yale University 16
#43 Joel D. Schall Henkel Ip & Holding Gmbh 16
#45 F. Christopher Zusi Bristol-Myers Squibb 15
#45 Nathaniel Mast Covidien Lp 15
#45 Kevin Lavigne Covidien Lp 15
#45 Walter C. Saeman Olin 15
#49 Amy L. Kung Covidien Lp 14
#49 David A. Krohn Eotec 14

Part of Connecticut