Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Concord, MA ranks #501 worldwide for total patents filed all time, with 6,587 patents from 720 inventors. Leading employers of inventors based in Concord, MA include Qualcomm, Berkshire Grey Operating Company, Trustees Of Tufts College.

Showing 1–50 of 720 inventors

Rank Inventor Primary Company Patents
1 Edward G. Tiedemann, Jr. Qualcomm 293
2 Thomas Wagner Berkshire Grey Operating Company 219
3 David L. Kaplan Trustees Of Tufts College 172
#4 Mark W. Gailus Amphenol 133
#5 Steven J. Collier Codexis 119
#6 Richard Chesworth Epizyme 109
#7 Matthew Fonte Arthrex 98
#8 Lionel C. Kimerling MIT 91
#9 William T. Plummer Polaroid 72
#9 Ajamu A. Wesley IBM 72
#11 Tiansheng Wang Vertex Pharmaceuticals Incorporated 68
#12 Michael S. Wengrovitz Mutualink 67
#12 David Eric Schwartz Palo Alto Research Center Incorporated 67
#14 Mark T. Bilodeau Merck 60
#14 Robert Penfield 128 Technology 60
#16 Terence Yeo Fusion Optix 57
#17 Christopher J. Mahoney Saucony 55
#18 Sridhar Sadasivan Eastman Kodak 54
#19 Dev V. Gupta Integrated Network 53
#20 Percy Tzelnic Emc 52
#21 George A. Plesko Geo Labs 51
#22 Philip L. Hower Texas Instruments 49
#23 Ralph Droms Cisco 47
#23 Eric Mazur Harvard University 47
#25 Neil Rasmussen American Power Conversion 45
#26 David G. Honan Cabot Safety Intermediate 44
#27 Gregory Mathus Costar Group 43
#28 John M. Guerra Polaroid 42
#28 Geoffrey M. Clemm IBM 42
#30 Satish Agrawal Performance Indicator 41
#30 Robert J. McMorrow Anokiwave 41
#32 Nathaniel J. Kemp The Volcano 40
#33 John R. Linton Samsung 39
#34 Chris Martin Sharkninja Operating 38
#35 Kerry L. Spear Sunovion Pharmaceuticals 36
#35 Lucien Alfred Couvillon, Jr. Boston Scientific Scimed 36
#35 George P. Vlasuk Corvas International 36
#35 Mark Edward Bunnage Pfizer 36
#39 Lynn Hawkins Eisai R&D Management Co. 35
#39 Charles Wilson Archemix 35
#41 Michael P. Clark The Procter & Gamble 34
#41 Feiling Wang Tomophase 34
#43 Timothy J. Barberich Sepracor 32
#43 John Paul Mathias Pfizer 32
#43 Janos Rohaly 3M 32
#43 David C. Douglas Oracle 32
#47 Cheuk Wah Wong Irobot 31
#47 Robert Alan Goodnow, Jr. Hoffmann-La Roche 31
#49 Zhan Shi Millennium Pharmaceuticals 30
#50 David Hepworth Pfizer 29

Part of Massachusetts