Patent Leaderboard
All Time
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
2000
1999
1998
1997
1996
1995
1994
1993
1992
1991
1990
1989
1988
1987
1986
1985
1984
1983
1982
1981
1980
Search
Companies
Inventors
Cities
States
AT
AT&T
Rank (1989):
#60
of 11,124
Top 1%
261 inventors
145
Patents 1989
Top Inventors at AT&T
1989
Showing 1–50 of 261 inventors
Rank
Name
Patents
1
Warwick M. Whitley, II
7
2
Robert L. Cupo
4
2
Sompoppol Jampathom
4
2
Cecil W. Farrow
4
#5
William Vincent Jackwicz
3
#5
Oren Frankel
3
#5
Richard M. Joffe
3
#5
Avi Zahavi
3
#5
Charles F. Liebler
3
#5
Ewald C. Anderl
3
#5
Johannes van Baardwijk
3
#12
William Douskalis
2
#12
William Easter
2
#12
William T. Spitz
2
#12
Kevin J. Oye
2
#12
Leonard H. Drexler
2
#12
Marinus A. Bos
2
#12
Nevio Benvenuto
2
#12
Richard J. Cubbison, Jr.
2
#12
Robert W. Fish
2
#12
Ronald H. Guelden
2
#12
Ronald Silver
2
#12
Stanley Gresens
2
#12
Steven K. Korotky
2
#12
Stephen G. Miggels
2
#12
Thomas P. Bishop
2
#12
Thomas M. Grill
2
#12
Thomas J. Kelly
2
#12
Thomas Lawrence Smith
2
#12
W. John Denkmann
2
#12
Alan Sarath
2
#12
Andrew J. Panuska
2
#12
Arthur Robert Calderbank
2
#12
Candido J. Arroyo
2
#12
Christodoulos Chamzas
2
#12
David R. Follett
2
#12
David A. B. Miller
2
#12
Dimitrios P. Prezas
2
#12
Duane O. Bowker
2
#12
Enzo Paterno
2
#12
Glenn David Golden
2
#12
Howard L. Bernstein
2
#12
James S. Peterson
2
#12
James W. Smith
2
#12
John N. McGarvey
2
#12
Julian Stone
2
#47
Walter J. Paucke
1
#47
Walter Tuvell
1
#47
Wayne Allen Weise
1
#47
Wayne R. Wilcox
1
1
2
3
Next »