Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Glastonbury, CT ranks #527 worldwide for total patents filed all time, with 6,375 patents from 684 inventors. Leading employers of inventors based in Glastonbury, CT include RTX (Raytheon), Nisshinbo Industries, Hamilton Sundstrand.

Showing 1–50 of 684 inventors

Rank Inventor Primary Company Patents
1 Gabriel L. Suciu RTX (Raytheon) 455
2 Frederick M. Schwarz RTX (Raytheon) 309
3 Kazuo Saito Nisshinbo Industries 199
#4 Lawrence A. Binek RTX (Raytheon) 120
#5 Michael L. Perry RTX (Raytheon) 109
#6 Jacek F. Gieras Hamilton Sundstrand 107
#7 Li-Qiang Sun Sugen 97
#8 Garold C. Miller Halo2Cloud 95
#8 Patrick Mozdzierz Covidien Lp 95
#10 Nathan Daniel Weinstein Halo2Cloud 93
#11 Paul Michael Scola Bristol-Myers Squibb 89
#12 James Sener The Gillette Company 85
#13 Jon E. Sobanski RTX (Raytheon) 75
#13 Mark R. Jaworowski RTX (Raytheon) 75
#13 Timothy S. Snyder RTX (Raytheon) 75
#16 Georgios S. Zafiris Hamilton Sundstrand 71
#17 Wenping Zhao Otis Elevator 67
#17 Wendell V. Twelves RTX (Raytheon) 67
#19 Abbas A. Alahyari Hamilton Sundstrand 63
#20 Tony Ho Hamilton Sundstrand 47
#21 Scott Alan Eastman Otis Elevator 46
#22 Thomas W. Grudkowski RTX (Raytheon) 45
#22 Richard P. Meisner RTX (Raytheon) 45
#24 Trent M. Molter Proton Energy Systems 43
#24 Daniel A. Mosher Otis Elevator 43
#24 Salvatore Leonardi Stmicroelectronics Sa 43
#27 Martin Krucinski Xerox 42
#28 Zhiwei Yin Bristol-Myers Squibb 41
#29 Thomas J. Robertson RTX (Raytheon) 38
#30 James O. Hansen RTX (Raytheon) 37
#31 Robert P. Hart Veeder-Root 36
#31 Robert Alan Johnson GE 36
#31 Kenji Homma RTX (Raytheon) 36
#34 Gregory J. McBrien Jds Uniphase 35
#34 Kenneth C. Hou Cuno Incorporated 35
#36 Weilong Zhang RTX (Raytheon) 34
#36 Robin Mihekun Miller Otis Elevator 34
#36 Frederick J. Cogswell Carrier 34
#39 John Joseph D'Errico Soliton 33
#40 Olivier H. Sudre RTX (Raytheon) 32
#41 John C. Trocciola International Fuel Cells 31
#41 Xingrui Chen Covidien Lp 31
#43 Charles Winston Cidra 30
#44 Gary M. McBrien Hamilton Sundstrand 29
#45 Jonathan F. Zimmitti RTX (Raytheon) 28
#45 Richard E. Peruggi Otis Elevator 28
#45 Kurt J. Sobanski RTX (Raytheon) 28
#45 Fanping Sun Sikorsky Aircraft 28
#49 Brooks E. Snyder RTX (Raytheon) 27
#50 Josh Kamp Hamilton Sundstrand 26

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