Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sudbury, MA ranks #506 worldwide for total patents filed all time, with 6,548 patents from 857 inventors. Leading employers of inventors based in Sudbury, MA include GE, Alza, Astute Medical.

Showing 1–50 of 857 inventors

Rank Inventor Primary Company Patents
1 Thomas L. Toth GE 108
2 J. Richard Gyory Alza 93
3 Jeff Gray Astute Medical 82
#4 Debra Bernstein Intel 79
#5 Peter T. Kazlas E Ink Holdings 68
#6 Joseph McDonald G.D. Searle 67
#7 Kevin M. Krauss Bose 66
#8 Francis L. Leard Seurat Technologies 65
#9 Timothy J. Guzi Schering 64
#10 Sean M. Gulley Intel 61
#11 Xiaowen Peng Enanta Pharmaceuticals 60
#11 David S. F. Young Arius Research 60
#13 David A. Griffith Pfizer 59
#14 Clark Pan Genzyme 56
#15 Giuseppe Ciaramella Modernatx 53
#15 Anna Charny Cisco 53
#17 Tod M. Woolf Rxi Pharmaceuticals 52
#18 David M. T. Ting Imprivata 51
#19 Bernardo Rub Seagate Technology 50
#19 Jian Huang Verizon 50
#19 Donald Paul Orofino, II The Mathworks 50
#22 Nam P. Suh MIT 49
#22 Henry I. Smith MIT 49
#24 Jonathan S. Ehrmann The Gsi Group 48
#25 Yu Huang Mentor Graphics 45
#26 Lifeng Liu Cognex 44
#26 Trevor Alan Hatton MIT 44
#28 Arthur J. Barabell Commscope Technologies 43
#29 Frederick A. Powers Dimensional Insight Incorporated 42
#30 John Brainard Emc 41
#31 Geertruida M. Veldman Pfizer 40
#32 Bayard R. Huck Merck 39
#32 George Wilfred DUVAL Boston Scientific Scimed 39
#34 Jennifer Brogdon Novartis Ag 37
#34 Lawrence J. St. George Gyrus Acmi 37
#36 Helen H. Kim Nanosemi 36
#37 Mark J. Mulvihill Osi Pharmaceuticals 35
#37 Bharat Sukhwani IBM 35
#39 David M. Armistead Vertex Pharmaceuticals Incorporated 33
#39 Glenn Dranoff Dana-Farber Cancer Institute 33
#41 Stuart R. Jang Irobot 32
#41 Christopher B. Ickler Bose 32
#43 Michael F. Holick Boston University 31
#43 Yian Chang Luxim 31
#43 Kelly Fitzpatrick Agere Systems 31
#46 Edward R. Lee Genzyme 30
#46 Timothy R. Smith Advanced Minerals 30
#46 Glenn R. Larsen Genetics Institute 30
#46 Martin Reed Bodley Revolabs 30
#46 Mark Dinsmore Photoelectron 30

Part of Massachusetts