Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Landenberg, PA ranks #2,012 worldwide for total patents filed all time, with 1,601 patents from 238 inventors. Leading employers of inventors based in Landenberg, PA include Incyte, E.I. Du Pont De Nemours And, Johnson & Johnson.

Showing 1–50 of 238 inventors

Rank Inventor Primary Company Patents
1 James D. Rodgers Incyte 87
2 Nora Sabina Radu E.I. Du Pont De Nemours And 75
3 Eddy W. Yue Incyte 71
#4 Weishi Wu E.I. Du Pont De Nemours And 58
#5 Scott L. Dax Johnson & Johnson 50
#6 Weiying Gao E.I. Du Pont De Nemours And 41
#7 Steven R. Oriani E.I. Du Pont De Nemours And 34
#8 Steven Raymond Lustig E.I. Du Pont De Nemours And 33
#8 John A. Lawton E.I. Du Pont De Nemours And 33
#10 Gary David Annis E.I. Du Pont De Nemours And 31
#11 Karen E. Broglie E.I. Du Pont De Nemours And 30
#12 Benjamin Jurcik American Air Liquide 29
#13 David T. Williamson E.I. Du Pont De Nemours And 27
#13 John E. Bacino W.L. Gore & Associates Gmbh 27
#15 Tracey Jacksier American Air Liquide 24
#15 Mark F. Teasley E.I. Du Pont De Nemours And 24
#17 James K. West Faro Technologies 23
#18 Jeffrey Scott Meth E.I. Du Pont De Nemours And 21
#18 James R. Pruitt Bristol-Myers Squibb 21
#18 Joseph Anthony Perrotto E.I. Du Pont De Nemours And 21
#18 Markus Strecker Adidas Ag 21
#18 Venkataram Krishnan Reichhold Chemicals 21
#23 Mark Allan Lamontia E.I. Du Pont De Nemours And 20
#23 George D. Forsythe E.I. Du Pont De Nemours And 20
#23 Krishnaswamy Yeleswaram Incyte 20
#26 Norman E. Clough Gore Enterprise Holdings 19
#27 Gary M. Fader E.I. Du Pont De Nemours And 17
#28 Rebecca Deporte JPMorgan Chase 15
#28 William G. Hardie W.L. Gore & Associates Gmbh 15
#28 Edwin E. Wikfors Agilent Technologies 15
#31 Donald A. Sandusky Warrior Sports 14
#32 Mayis Seapan E.I. Du Pont De Nemours And 12
#32 Charles D. McLaren Zeneca Limited 12
#32 Alan H. Saikin Rohm And Haas Electronic Materials Cmp Holdings 12
#35 Paul F. Bente, III Berger Instruments 11
#35 Donna F. Zimmerman E.I. Du Pont De Nemours And 11
#37 Paquita Erazo-Majewicz Hercules 10
#37 John Carl Steichen E.I. Du Pont De Nemours And 10
#37 David J. Farber Caritas Technologies 10
#37 Eric Dean Rosenthal Disney 10
#37 William F. Chalupa 10
#42 Julian Wolfenbarger Siluria Technologies 9
#42 Shelley F. Sanders JPMorgan Chase 9
#42 Armand Francart, Jr. 9
#42 Roland Janzen Siemens Healthcare Diagnostics 9
#46 Ian Vance White Awi Licensing 8
#46 Mark B. Gruber E.I. Du Pont De Nemours And 8
#46 William E. Barber Agilent Technologies 8
#46 Stephen T. Buchanan Nvh Technology 8
#46 Allison Mary Yake E.I. Du Pont De Nemours And 8

Part of Pennsylvania