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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Hamden, CT ranks #1,235 worldwide for total patents filed in 2020, with 122 patents from 68 inventors. Leading employers of inventors based in Hamden, CT include Covidien Lp, Achillion Pharmaceuticals, IBM.

Showing 1–50 of 68 inventors

Rank Inventor Primary Company Patents
1 Henry E. Holsten Covidien Lp 7
2 Venkat Rao Gadhachanda Achillion Pharmaceuticals 6
2 David Valentine Covidien Lp 6
2 Atul Agarwal Achillion Pharmaceuticals 6
2 Soobaek Jang IBM 6
2 Godwin Pais Achillion Pharmaceuticals 6
#7 Matthew T. Luszcz Sikorsky Aircraft 5
#8 Richard Lech Covidien Lp 4
#9 Robert Costabile Otis Elevator 3
#10 Rolland Strasser Berry Plastics 2
#10 Randolph Carlton McGee Hamilton Sundstrand 2
#10 Jeremy Griffin C.R. Bard 2
#10 Michael Fischer Oris Fahrzeugteile Hans Riehle Gmbh 2
#10 Robert L. Richards Amoco 2
#10 Timothy D. Kosa Covidien Lp 2
#10 Jason C. Derenick Sikorsky Aircraft 2
#10 Sean M. Burdzy Henkel Ip & Holding Gmbh 2
#10 Ronald Albright Yale University 2
#10 Amin Elachchabi Covidien Lp 2
#10 Garrett P. Ebersole Covidien Lp 2
#10 Aaron C. Schmitt Gilead Connecticut 2
#10 Donald Kastel RTX (Raytheon) 2
#10 Robert Mann Imperial Cancer Research Technology 2
#24 Jeffrey Lipton Cornell University 1
#24 Priti Kumar Industry-University Cooperation Foundation Hanyang University 1
#24 Ryan Dubey Centrix 1
#24 Richard Kibbey Yale University 1
#24 Jon G. Moore, SR. John Zink Company 1
#24 Jinqing Huang South China Agricultural University 1
#24 Steven M. Girvin Yale University 1
#24 Jeralyn R. Fantarella 1
#24 Kenny Padro Hubbell Incorporated 1
#24 Joseph Bender-Zanoni Covidien Lp 1
#24 Brigid A. Blakeslee Sikorsky Aircraft 1
#24 Nathan S. White Cortechs Labs 1
#24 Jacqueline Jones Covidien Lp 1
#24 Emily E. Jacobs Covidien Lp 1
#24 Jonathan M. Gershoni Ramot At Tel-Aviv University 1
#24 Jason M. Szafron Texas A&M University System 1
#24 Thomas L. Sbabo Sikorsky Aircraft 1
#24 Christiana I. Iwuagwu Bristol-Myers Squibb 1
#24 Joseph Craft Yale University 1
#24 Spencer Shore Osteomed 1
#24 John J. McKeon Air-Lock 1
#24 Peter J. Barner Sikorsky Aircraft 1
#24 Tak Keung Andy Wong 1
#24 Nicholas Charles Tuozzo Sikorsky Aircraft 1
#24 Kevin Lavigne Covidien Lp 1
#24 Nathaniel Mast Covidien Lp 1
#24 John M. Pawelek Yale University 1

Part of Connecticut