Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Billerica, MA ranks #1,025 worldwide for total patents filed all time, with 3,312 patents from 621 inventors. Leading employers of inventors based in Billerica, MA include Microsoft, Bruker Daltonics, Skyworks Solutions.

Showing 1–50 of 621 inventors

Rank Inventor Primary Company Patents
1 Fang Lu Microsoft 312
2 Melvin Andrew Park Bruker Daltonics 85
3 Nuttapong Srirattana Skyworks Solutions 49
#4 Stephen English Regal Beloit America 41
#5 John C. Lewis, Jr. Tucel Industries 39
#6 John A. Wright Sionex 35
#7 David C. Reynolds Analog Devices 34
#8 Steven Michael Bourque The Gillette Company 33
#8 Richard D. Caldwell Biogen Ma 33
#10 Iftekhar Rahman Verizon 30
#11 Timothy S. Farlow Irobot 29
#12 Joshua C. Park Phasorlab 28
#13 Yumiko Wada Synta Pharmaceuticals 25
#13 Paul Vernucci New Health Sciences 25
#15 Eugene N. Step Cabot 24
#15 Daniel Boudreau Honeywell 24
#17 Larry McCloskey Emc Ip Holding Company 23
#17 Hui Qiu Merck 23
#17 Lakshman Kumar Berkshire Grey Operating Company 23
#17 John F. Keating Cognex 23
#17 Charles E. Hammond Mersana Therapeutics 23
#22 Elizabeth Begin The Volcano 22
#22 James P. O'Connor Rutgers, The State University Of New Jersey 22
#24 Martin Morrissey Emd Millipore 21
#24 Xiaolei Shirley Ao GE 21
#24 William C. Fabbri Keene 21
#24 Lesley Liu-Bujalski Merck 21
#28 Caitlyn Hastie Abiomed 20
#28 Reinaldo Jones Merck 20
#28 Shawn M. Lewis Level 3 Communications 20
#31 Frederick H. Rumpf Cabot 19
#31 Jorge Borges Insulet 19
#31 Joseph D. Napoli Federal Signal 19
#31 James Reid Applied Magnetics 19
#35 Constantin Neagu Merck 18
#35 James Vigna Emd Millipore 18
#35 Michelle Denise Hoarty Ra Pharmaceuticals 18
#35 John P. Sanroma Osram Sylvania 18
#39 Calvin M. Winey Howtek 17
#39 Steven A. Tague Honeywell 17
#39 Fritz Bien Spectral Sciences 17
#42 Victor Lazarev Shaser 16
#42 Chang-Li Hsieh Koch Membrane Systems 16
#42 Donald E. Drumm Wang Laboratories 16
#45 George Hudelson Desktop Metal 15
#46 William C. Schwarzel Polaroid 14
#46 Edward Randall Furlong GE 14
#46 Robert L. Nathans Avanti 14
#46 Jay Krishnasamy Brooks Automation Gmbh 14
#46 Edward S. Harriman, Jr. Bay Networks, Nc. 14

Part of Massachusetts