Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Concord, MA ranks #457 worldwide for total patents filed in 2018, with 281 patents from 138 inventors. Leading employers of inventors based in Concord, MA include Trustees Of Tufts College, Codexis, Epizyme.

Showing 1–50 of 138 inventors

Rank Inventor Primary Company Patents
1 David L. Kaplan Trustees Of Tufts College 13
1 Steven J. Collier Codexis 13
3 Richard Chesworth Epizyme 12
3 Matthew Fonte Arthrex 12
#5 Mark W. Gailus Amphenol 9
#6 John R. Linton Samsung 8
#7 Percy Tzelnic Emc 7
#7 David Eric Schwartz Palo Alto Research Center Incorporated 7
#9 Thomas Wagner Berkshire Grey Operating Company 6
#10 Michael S. Wengrovitz Mutualink 5
#11 Eric Clayton Sonos 4
#11 Mark T. Bilodeau Merck 4
#11 Richard Speer Osram Sylvania 4
#11 Daren Gill Rovi Guides 4
#11 Wenxin Gu Vertex Pharmaceuticals Incorporated 4
#11 Kerry L. Spear Sunovion Pharmaceuticals 4
#17 Sridhar Sadasivan Eastman Kodak 3
#17 Carl Everett Vause Soft Robotics 3
#17 Philip L. Hower Texas Instruments 3
#17 Tiecheng Zhao Terarecon 3
#17 David J. Carter Draper Laboratory 3
#17 Robert Penfield 128 Technology 3
#17 Brian H. Mackintosh ExxonMobil 3
#17 Geoffrey M. Clemm IBM 3
#17 Ganesh Sundaram Ultratech 3
#17 Eric Mazur Harvard University 3
#27 Taras P. Riopka Aware 2
#27 Mark T. Buquor IBM 2
#27 Abbas Bagasra Verizon 2
#27 David Hepworth Pfizer 2
#27 Viktor Vejins Nano-C 2
#27 Patrick Guiney Cytyc 2
#27 Vivek Garg IBM 2
#27 Peter Bex Schepens Eye Research Institute 2
#27 George F. COLONY 2
#27 Basak Ulker Karbeyaz 2
#27 Erik L. Waldron Draper Laboratory 2
#27 Dafydd Rhys Owen Pfizer 2
#27 Zhan Shi Millennium Pharmaceuticals 2
#27 Tiansheng Wang Vertex Pharmaceuticals Incorporated 2
#27 Michael J. Aziz Harvard University 2
#27 Michael P. Clark The Procter & Gamble 2
#27 Brian Fife Rovi Guides 2
#27 Ralph Droms Cisco 2
#27 Joseph Terracciano Merck 2
#27 John M. Guerra Polaroid 2
#27 Changchun Li Sensormatic Electronics 2
#27 Charles Wilson Archemix 2
#27 John Paul Mathias Pfizer 2
#50 Nancy F. Levoy Nuclear Metals 1

Part of Massachusetts