Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Dedham, MA ranks #1,672 worldwide for total patents filed all time, with 1,996 patents from 451 inventors. Leading employers of inventors based in Dedham, MA include Stryker, Emc, The Gillette Company. That works out to 78.7 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 451 inventors

Rank Inventor Primary Company Patents
1 David C. Rueger Stryker 83
2 Bruce R. Rabe Emc 45
3 Alexander Stephen Forti The Gillette Company 42
#4 Ronald J. Vish Sloan Valve 40
#5 Paul A. Ward Draper Laboratory 37
#6 Say-Jong Law Ciba Corning Diagnostics 34
#7 Luis Pedraza Plantronics 33
#8 John A. Cogliandro RTX (Raytheon) 31
#9 David L. Newbold IBM 26
#10 Matthew Hanudel Gentex 23
#10 Patrick J. Hegarty Zih 23
#12 Huy Q. Tran Directv 21
#13 Stephen O'Connor Cypress Semiconductor 20
#13 Chiyan Luo Luminus Devices 20
#13 Stan Hawkins Reflexis Systems 20
#13 Dennis Michael Martinez Pine Valley Investments 20
#17 Judith R. Close Reebok International Limited 19
#18 Felix Anthony Perriello Global Biosciences 18
#18 William Issa Modernatx 18
#20 Yichun Wang The Gillette Company 16
#20 Daniel Paul Gamache Depuy Mitek 16
#20 Peter B. Harris The Gillette Company 16
#23 Daniel Kraus Autodesk 15
#24 Jiwei Qi Ariad Pharmaceuticals 14
#24 Slava Epstein Northwestern University 14
#26 Bruce D. Levy Brigham and Women's Hospital 13
#26 Dennis Wong Emd Millipore 13
#26 Timothy W. Fofonoff Tissue Engineering Consultants 13
#26 Daniel Cerundolo Arthroscopic Innovations 13
#26 Robert M. Freda V Squared Wind 13
#26 Shalina Mahajan-Miklos Ironwood Pharmaceuticals 13
#32 Ron Vish Sloan Valve 12
#32 Orest Fedan Lojack Operating Company, Lp 12
#32 Lazarus J. Vekiarides Dell Products 12
#32 Charles J. Libby Micron 12
#32 M. Glenn Horner Performance Indicator 12
#37 Steven Beringhause Texas Instruments 11
#37 Chris DEGRACE Onepin 11
#37 Bruno DiPlacido 3Com 11
#37 Svante Littmarck Comsol Ab 11
#37 Matthew A. Larsen Merck 11
#42 Gang Ma Emc 10
#42 Steven A. Oliver Northwestern University 10
#42 Joseph Khoury Exogenesis 10
#42 Shuzhen Qin Synta Pharmaceuticals 10
#42 Sean Eric Anderson Waters Technologies 10
#42 Robert W. Mendes Ascent Pharmaceuticals 10
#42 Michael Francis Byrne Exergyn 10
#49 Steven Rabe MIT 9
#49 Mitchell John DeRosa Living Proof 9

Part of Massachusetts