Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Hanover, NH ranks #1,784 worldwide for total patents filed all time, with 1,858 patents from 312 inventors. Leading employers of inventors based in Hanover, NH include Yangtze Memory Technologies Co., Dartmouth College, Scimed Life Systems. That works out to 204.7 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 312 inventors

Rank Inventor Primary Company Patents
1 Haibo Li Yangtze Memory Technologies Co. 116
2 Keith D. Paulsen Dartmouth College 58
3 James J. Barry Scimed Life Systems 45
3 Rahul Sarpeshkar MIT 45
#5 Chen Fang Adobe 39
#5 Glenn L. Beane Material Innovations 39
#5 Charles W. Spehrley, Jr. Xerox 39
#8 Jon W. Lindsay Hypertherm 38
#9 Richard W. Couch, Jr. Hypertherm 37
#10 Piotr Bobrowicz Glycofi 34
#10 Tillman U. Gerngross Glycofi 34
#10 James A. Browning Browning Engineering 34
#13 Sanjay Garg Disney 33
#14 Elaine R. Palmer IBM 31
#14 Jifeng Liu MIT 31
#16 Brian William Pogue Dartmouth College 30
#17 Hui Fang Google 26
#18 Joseph J. Belbruno Dartmouth College 25
#19 Ethan Dmitrovsky Dartmouth College 22
#19 Katherine A. Mirica Harvard University 22
#19 William Ware, Jr. Nanotex 22
#22 Michael Hoffa Hypertherm 20
#23 Patrick McDevitt Verizon 18
#23 David J. Cook Hypertherm 18
#23 Stephen T. Eickhoff Hypertherm 18
#26 James Robert Benton Microsoft 17
#26 Richard Granger Cognitive Electronics 17
#26 Michael Izenson Sustainx 17
#26 B. Stuart Trembly Dartmouth College 17
#30 William F. Quinn Therm-O-Disc, Incorporated 16
#30 Benjamin Cameron Sustainx 16
#32 Jason Stauth Allegro Microsystems 15
#32 Natarajan Sethuraman Merck 15
#32 Xiaoxin Wang Dartmouth College 15
#35 Charles M. Hackett Hypertherm 14
#35 Siddharth Agrawal Microsoft 14
#37 Yong Yang Hypertherm 13
#38 John B. Weaver Dartmouth College 12
#39 Ambrose Cheung Dartmouth College 11
#39 Songbai Ji Dartmouth College 11
#39 James Snow Broadcom 11
#42 Dean R. Madden Dartmouth College 10
#42 Hans E. Grethlein Dartmouth College 10
#42 Timothy Chow Tellabs Operations 10
#42 Robert Mabry Zymogenetics 10
#42 Paul M. Guyre Medarex 10
#47 Joseph T. Sullivan Largo Clean Energy 9
#47 M. Weston Chapman M2S Co. 9
#47 Dennis M. Borowy Hypertherm 9
#47 Steven Fiering Dartmouth College 9

Part of New Hampshire