Top Cities in New Hampshire 2025

Rank City Patents Inventors
#1 Nashua, NH 272 133
#2 Manchester, NH 165 91
#3 Lebanon, NH 108 59
#4 Bedford, NH 101 59
#5 Merrimack, NH 84 40
#6 Hanover, NH 79 54
#7 Windham, NH 63 33
#8 Hollis, NH 62 33
#9 Portsmouth, NH 58 37
#10 Salem, NH 51 33
#11 Hudson, NH 49 24
#12 Pelham, NH 45 25
#13 Amherst, NH 42 26
#14 Litchfield, NH 41 16
#15 Derry, NH 37 28
#16 Stratham, NH 35 18
#17 Bow, NH 31 8
#18 Durham, NH 31 14
#19 Dover, NH 30 23
#20 Lo Wu, NH 29 7
#21 Concord, NH 29 10
#22 Londonderry, NH 29 26
#23 Lee, NH 26 9
#24 Goffstown, NH 25 11
#25 Felsen, NH 22 5

Top Inventors in New Hampshire 2025

Rank Inventor City Company Patents
1 Bradley K. Goodman Nashua Dell Products 24
2 Dean Kamen Bedford Deka Products Limited Parternship 23
3 S. Adam Hacking Nashua Rom Technologies 22
#4 Larry B. Gray Merrimack Deka Products Limited Parternship 19
#5 Vincent E. Parla Felsen Cisco 18
#6 Albert M. Chu Nashua IBM 16
#7 Richard J. Lanigan Concord Deka Products Limited Parternship 14
#7 Thomas Calloway Pelham Globus Medical 14
#9 Bianka Prinz Lebanon Merck 13
#10 Alexander H. Slocum Bow MIT 12
#11 Ash Khamas Goffstown Dish Wireless L.L.C. 11
#11 John M. Kerwin Manchester Deka Products Limited Parternship 11
#13 James W. Teetzel Portsmouth Wilcox Industries 10
#13 Aaron P. St. Peter Hampstead Saucony 10
#13 Haibo Li Hanover Yangtze Memory Technologies Co. 10
#16 William Hartman Fort Stratham Berkshire Grey Operating Company 9
#16 Christopher Barsi Lee Brelyon 9
#16 Wei Zhang Nashua Siemens Healthcare Diagnostics 9
#16 Gregory Szczeszynski Hollis Psemi 9
#16 William J. Fosnight Windham Brooks Automation Gmbh 9
#16 Kevin L. Grant Litchfield Deka Products Limited Parternship 9
#16 Dirk A. van der Merwe Canterbury Deka Products Limited Parternship 9
#16 Can Xu Lebanon Nanjing Drum Tower Hospital 9
#24 Steven W. Ek Durham Arthrosurface Incorporated 8
#24 Jason A. Demers Manchester Deka Products Limited Parternship 8

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