Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ashland, MA ranks #1,344 worldwide for total patents filed all time, with 2,506 patents from 345 inventors. Leading employers of inventors based in Ashland, MA include IBM, Boston Scientific Scimed, Duracraft.

Showing 1–50 of 345 inventors

Rank Inventor Primary Company Patents
1 Paul R. Bastide IBM 442
2 Robert F. Rioux Boston Scientific Scimed 136
3 Bernard Chiu Duracraft 69
#4 William Peine Covidien Lp 60
#5 Jason R. Cox Saudi Arabian Oil 58
#6 Naganagouda B. Patil Bose 44
#6 Franz Goebel Gte Products 44
#8 Andres Chamorro Cambridge Endoscopic Devices 38
#9 John E. O'Gara Waters Technologies 37
#10 Michael Fisher GE 35
#11 David P. Hartman Hunter Douglas 34
#11 Michael B. Brenner Brigham and Women's Hospital 34
#13 David J. Callaghan W.L. Gore & Associates Gmbh 33
#14 Edward Yin-Shiang Lin Biogen Ma 31
#15 Paul Rodman Reshape 30
#16 Adam J. Morgan Concert Pharmaceuticals 29
#17 Qun Zhou Genzyme 28
#18 John Petricca The Gillette Company 24
#18 Pankaj Aggarwal TSMC 24
#20 Joseph R. Bienkowski The Mathworks 23
#21 Leonid N. Shekhter H.C. Starck 22
#21 Richard P. Tumminelli Boston Scientific Scimed 22
#23 Richard A. Nugent Flatley Discovery Lab 20
#23 Thomas E. Hanson Unmanned Innovations 20
#25 Cedrik Bacon Bose 19
#26 Kiran K. Kintali The Mathworks 17
#26 Rajesh Yadav Verizon 17
#26 Erik Reddington Rohm And Haas Electronic Materials 17
#26 Ishan Capila Momenta Pharmaceuticals 17
#26 Alan C. Lund Xtalic 17
#31 Peter H. Fuller Merck 16
#31 Vivek Varma Datla Koniniklijke Philips N.V. 16
#33 John W. Clifford Roll Systems 15
#34 Kevin Lewis Otipoby Pandion Operations 14
#34 John Alex Souppa Inmusic Brands 14
#36 Richard A. Carey Georgia Tech Research 13
#36 Joseph CaraDonna Netapp 13
#36 Michael F. Morris Waters Technologies 13
#39 Preston Crow Emc 12
#39 Anoop Raghunathan Dell Products 12
#39 Timothy Henderson Unknown 12
#39 Mark Empie Archer-Daniels-Midland 12
#39 Mihir D. Shetye Bose 12
#44 Joseph Consiglio Cold Chain Technologies 11
#44 Robert M. Rauker Scimed Life Systems 11
#44 Graham J. Higham Helix Technology 11
#44 Jeffrey Larson Ocado Innovation Limited 11
#44 Yossi Dagon Acceleron Pharma 11
#49 Rajaraman Krishnan Proclara Biosciences 10
#49 Sayid Shabeer Worldpay 10

Part of Massachusetts