Delaware — Patent Inventors 2020

Top Cities in Delaware 2020

Rank	City	Patents	Inventors
#1	Cologne, DE	454	293
#2	Mannheim, DE	449	262
#3	Wilmington, DE	421	253
#4	Jena, DE	343	200
#5	Newark, DE	199	141
#6	Essen, DE	174	128
#7	Hockessin, DE	108	56
#8	Middletown, DE	84	31
#9	Nonatum Mills, DE	83	41
#10	Freiburg (Elbe), DE	71	36
#11	Bear, DE	55	35
#12	Claymont, DE	46	9
#13	Hsinchu, DE	39	3
#14	Dover, DE	31	23
#15	Shanghai, DE	20	10
#16	New Castle, DE	19	16
#17	Suwon-si, DE	19	2
#18	Frankfurt am Main, DE	17	4
#19	Lewes, DE	16	8
#20	Memmingen, DE	16	12
#21	Cambridge, DE	13	2
#22	Milford, DE	12	3
#23	Bergen, DE	11	1
#24	Longbeilingcun, DE	10	2
#25	Incheon, DE	9	1

Rank	Inventor	City	Company	Patents
1	Zhuo Chen	Claymont	Convida Wireless	20
2	David R. Wooten, Jr.	Middletown	Monsanto Technology	17
3	Liangxing Wu	Wilmington	Incyte	13
#4	Lei Zhang	Hockessin	Showa Denko K.K.	12
#5	Jayme L. Paullin	Claymont	E.I. Du Pont De Nemours And	10
#6	Kyle Brandenburg	Middletown	Brandywine Product Group International	9
#6	Rick Bennett	Milford	Nuseed Global Innovation	9
#8	Wenyi Huang	Wilmington	Dow Global Technologies	8
#8	Graham Frank Howarth	Middletown	Mra Systems	8
#8	Seung-Pyo Hong	Hockessin	Hyundai Motor	8
#8	Wantanee Phuapradit	Lewes	Kashiv Biosciences	8
#12	Yigang He	Nonatum Mills	Wuhan University	7
#12	Patrick J. G. Bowers	Hockessin	Wonderland Switzerland Ag	7
#12	Dan Tafe	Nonatum Mills	Resource Intl	7
#12	Mark S. Payne	Wilmington	E.I. Du Pont De Nemours And	7
#12	Michael J. Pepe	Wilmington	Bank of America	7
#12	Raul Lobo	Newark	Johnson Matthey Public Limited	7
#18	Richard A. Davis	Wilmington	Brunswick	6
#18	John Greer Elias	Townsend	Apple	6
#18	Xiaoming Jin	Middletown	Dentsply Sirona	6
#21	Naresh Kumar Penta	Newark	Rohm And Haas Electronic Materials Cmp Holdings	5
#21	Qiong Cheng	Wilmington	E.I. Du Pont De Nemours And	5
#21	Liang Lu	Hockessin	Incyte	5
#21	Jeffrey Robert Stack	Clayton	Rohm And Haas Electronic Materials Cmp Holdings	5
#21	Jiacheng Zhou	Nonatum Mills	Incyte	5