Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ipswich, MA ranks #2,971 worldwide for total patents filed in 2017, with 40 patents from 18 inventors. Leading employers of inventors based in Ipswich, MA include TSMC, Varian Semiconductor Equipment Associates, Nxstage Medical. That works out to 9.2 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–18 of 18 inventors

Rank Inventor Primary Company Patents
1 Anthony J. Lochtefeld TSMC 8
2 Timothy J. Miller Varian Semiconductor Equipment Associates 6
3 Scott W. Newell Nxstage Medical 4
3 Douglas J. DeAngelis Isolynx 4
#5 Patrick M. Martin Varian Semiconductor Equipment Associates 3
#6 Stephen D. Kelleher Proteus Industries 2
#6 Marvin Farley Applied Materials 2
#8 William Williams, III Rohm And Haas Electronic Materials 1
#8 Bruce R. Bistrian New England Deaconess Hospital 1
#8 Paul Meneghini Mks Instruments 1
#8 Alex Van Alen Plusone Sports 1
#8 Michael Judy Analog Devices 1
#8 Brian T. Hone Xmos 1
#8 Peter Daniel Shippen Analogic 1
#8 William Dole Novartis Ag 1
#8 Daniel Edward Demers GE 1
#8 Harrison O'Hanley 1
#8 Timothy Perrault Symbotic 1

Part of Massachusetts