New Hampshire — Patent Inventors 2025

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

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