Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Grafton, MA ranks #2,146 worldwide for total patents filed all time, with 1,484 patents from 223 inventors. Leading employers of inventors based in Grafton, MA include Boston Scientific Scimed, Emc Ip Holding Company, Depuy Spine.

Showing 1–50 of 223 inventors

Rank Inventor Primary Company Patents
1 Christopher L. Oskin Boston Scientific Scimed 53
2 Himabindu Tummala Emc Ip Holding Company 49
3 SeungKyu Daniel Kwak Depuy Spine 41
#4 Darryl W. Brousmiche Waters Technologies 39
#5 Heike S. Radeke Lantheus Medical Imaging 38
#6 Kevin P. McGrath Kimberly-Clark Worldwide 34
#6 Cecilia M. Bastos Proteostasis Therapeutics 34
#8 Jochen G. Salfeld Abbott 33
#9 Richard M. Formato Cold Chain Technologies 32
#9 Robert O. Aberg The Mathworks 32
#11 David Ward IBM 30
#12 Lowell D. Jacobson Cognex 29
#13 David C. Robbins Verizon 27
#13 Jianna Wang Saint-Gobain Abrasifs 27
#15 Ajay Karri Emc Ip Holding Company 26
#16 Kalipatnam Vivek Rao Texas Instruments 24
#17 Jason Weiner Boston Scientific Scimed 21
#17 Robert Deans C2Sense 21
#17 Ken Wadland Cadence Design Systems 21
#20 Paul J. Powers Gogo 19
#20 James Simonelli American Power Conversion 19
#22 Mitchell C. Sanders Systagenix Wound Management (Us) 18
#23 David E. Kovalcin Alta Vista 16
#23 Thomas Schuster Eckart Gmbh 16
#23 Robert Tremblay Cognex 16
#26 Konstantin S. Zuyev Saint-Gobain Abrasifs 15
#27 Paul A. Leveille Marathon Technologies 14
#28 Craig J. Christopherson American Superconductor 13
#28 Stephen J. Maguire Bose 13
#28 Christopher S. Lacasse Nasuni 13
#28 Zhiwei Jiang Arqule 13
#28 Eric J. Roos Histogenics 13
#28 Robert J. Simonelli Sealed Air Corporation (Us) 13
#28 Michael Waldo Vertex Pharmaceuticals Incorporated 13
#35 Rajendra K. Pandey Aligos Therapeutics 12
#35 Phillip E. Partin Boston-Power 12
#35 Daniel T. Belmont Vertex Pharmaceuticals Incorporated 12
#35 Monica Chaudhary Emc Ip Holding Company 12
#39 Thanh Lam IBM 11
#39 Mark Bergeron Bose 11
#39 William Berardi Bose 11
#39 Mahalingam Nagarajan Intel 11
#39 Alexander Baguisi Ischemix 11
#39 Chi-Wan Lee Synta Pharmaceuticals 11
#39 Narasimhan Nagan Athena Diagnostics 11
#39 Gerald W. Vandenengel Oki Electric Industry Co. 11
#47 Brooks Stevens Read Cisco 10
#47 Jeffrey J. LeBlanc Aqua-Leisure Industries 10
#49 Rhon Porter Emc Ip Holding Company 9
#49 Mitul Dalal Mc10 9

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