Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ardsley, NY ranks #2,602 worldwide for total patents filed all time, with 1,187 patents from 90 inventors. Leading employers of inventors based in Ardsley, NY include Macronix International Co., IBM, American Cyanamid. That works out to 233.7 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 90 inventors

Rank Inventor Primary Company Patents
1 Hsiang-Lan Lung Macronix International Co. 321
2 Peter K. Malkin IBM 205
3 Allan Wissner American Cyanamid 81
#4 Jarir K. Chaar IBM 54
#5 Harold Shames Melard Manufacturing 50
#6 Douglas Lee Schales IBM 39
#7 Jurgen Kaschig Ciba-Geigy 31
#8 Ea-Ee Jan IBM 29
#9 Jeffrey Scott Hurley Buckeye Technologies 23
#10 Antonio Mezzacapo IBM 22
#11 Haruka Okamoto Regeneron Pharmaceuticals 20
#11 Andrew Aaron IBM 20
#13 Tim Goldburt General Phosphorix 18
#14 Gheorghe Almasi IBM 17
#15 Ravichandran Ramasamy Columbia University 16
#16 Jee H. Kim Regeneron Pharmaceuticals 15
#16 Pavankumar Murali IBM 15
#18 Ambelal R. Patel Ciba-Geigy 14
#19 Clark T. Hung Columbia University 11
#19 Yingzi Xue Regeneron Pharmaceuticals 11
#21 Qingzhao Wang Basf Se 10
#21 Robert C. Pordy Regeneron Pharmaceuticals 10
#23 Charles R. Buarque de Macedo Island Intellectual Property 9
#24 Walter Greenfield Diasys Limited 8
#24 Eyal Yardeni Emc 8
#26 Arnold Melman Albert Einstein College Of Medicine Of Yeshiva University 7
#26 Arthur Umanoff Howard Miller Clock 7
#26 Jason Gardner Psma Development Company 7
#29 Shane Lansley Jorge Deniz Mastercard 5
#29 Ralph W. Gerchberg Wavefront Analysis 5
#31 Emir Bingul PepsiCo 4
#31 Jeffrey F. Kach Acs State & Local Solutions 4
#31 Adam Gluck Mastercard 4
#31 Ann-Hwee Lee Regeneron Pharmaceuticals 4
#31 Joseph Vellozzi Comcast 4
#36 Errol Fenton Roberts Cisco 3
#36 George Shapiro 3
#36 John-Paul Laglenne Consolidated Edison Company Of New York 3
#36 Mikhail Dron The Toronto-Dominion Bank 3
#36 Sangmi Chung The Mclean Hospital 3
#36 Henry Feng Stauffer Chemical 3
#42 Joel Ross Unknown 2
#42 Sheila Narayanan Mastercard 2
#42 Keqing Fa Basf Coatings Gmbh 2
#42 John M. S. McAulay Otis Elevator 2
#42 Hans Jaggi 2
#42 Samuel H. Jackson Kings Electronics Co. 2
#42 Jonathan A. Montague 2
#42 Anastasia P. Efremkina 2
#42 Artem P. Efremkin 2

Part of New York