Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Hockessin, DE ranks #789 worldwide for total patents filed all time, with 4,279 patents from 555 inventors. Leading employers of inventors based in Hockessin, DE include E.I. Du Pont De Nemours And, Showa Denko K.K., The Chemours Company Fc. That works out to 317.5 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 555 inventors

Rank Inventor Primary Company Patents
1 Viacheslav A. Petrov E.I. Du Pont De Nemours And 99
2 Hari Babu Sunkara E.I. Du Pont De Nemours And 81
3 Lei Zhang Showa Denko K.K. 79
#4 John Chu Chen E.I. Du Pont De Nemours And 74
#5 Sheng Peng The Chemours Company Fc 73
#6 Seung-Pyo Hong Hyundai Motor 70
#6 Howard Glenn Damude E.I. Du Pont De Nemours And 70
#8 Zhe Wang Enanta Pharmaceuticals 69
#9 Patrick J. G. Bowers Wonderland Switzerland Ag 66
#10 Thomas Paul Selby E.I. Du Pont De Nemours And 65
#11 Chu-Biao Xue Incyte 59
#12 Thomas J. Leck E.I. Du Pont De Nemours And 55
#13 Zhongsen Li E.I. Du Pont De Nemours And 54
#14 Edward G. Howard, Jr. E.I. Du Pont De Nemours And 53
#15 Eric Maurice Smith E.I. Du Pont De Nemours And 51
#16 Richard T. Chou E.I. Du Pont De Nemours And 50
#17 Kaveh Didehvar Zenith Products 48
#17 Kurt Richard Mikeska E.I. Du Pont De Nemours And 48
#19 Gary Johansson E.I. Du Pont De Nemours And 46
#20 Soo S. Ko Bristol-Myers Squibb 41
#20 Paul Douglas Vernooy E.I. Du Pont De Nemours And 41
#22 John W. Dolan W.L. Gore & Associates Gmbh 40
#23 Meizhong Xu Incyte 39
#24 Liang Lu Incyte 34
#25 Robert H. Moore Stowe Woodward, L.L.C. 33
#26 Sang William Tam Nitromed 31
#27 Scott Sebastian Pioneer (Corteva) 30
#28 Alan E. Goliaszewski GE 29
#28 Haisheng Wang Incyte 29
#28 Guo-Hua Miao E.I. Du Pont De Nemours And 29
#28 Daniel H. Craig GE 29
#32 Kenneth Gene Moloy E.I. Du Pont De Nemours And 28
#32 Henry Keith Chenault E.I. Du Pont De Nemours And 28
#34 Subhash Vishnu Gangal E.I. Du Pont De Nemours And 27
#34 Marion Glen Waggoner E.I. Du Pont De Nemours And 27
#36 James A. Jensen Lanxide Technology 25
#36 Anna Panova E.I. Du Pont De Nemours And 25
#38 Kimber D. Fogelman Berger Instruments 24
#39 John W. Gillespie, Jr. University Of Delaware 23
#39 Jingguang Chen ExxonMobil 23
#41 Feng Han Pioneer (Corteva) 22
#41 Amy Han Regeneron Pharmaceuticals 22
#41 James Malatesta Tritek Technologies 22
#44 Jeffrey Allen Chambers E.I. Du Pont De Nemours And 21
#45 Mark W. Snyder Streamlight 20
#45 Thomas Feist GE 20
#45 Jay Bass Agilent Technologies 20
#48 Andrew Duncan Satterfield Fmc 19
#49 Akhileswar Ganesh Vaidyanathan E.I. Du Pont De Nemours And 18
#49 Stephen Robert Petteway Trimeris 18

Part of Delaware