Patent Leaderboard
USPTO Patent Rankings
Data through Dec 31, 2025
Search
Companies
Inventors
Cities
States
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
Home
›
Companies
›
Zenith Radio
ZR
Zenith Radio
— 253 Patents
Rank
(All Time):
#3,085
of
106,120
Top 3%
184
inventors
253
Patents All Time
Top Inventors at Zenith Radio
All Time
Showing
1–50
of
184
inventors
Rank
Name
Patents
1
Gopal K. Srivastava
16
2
Peter C. Skerlos
11
3
Christopher M. Engel
9
3
George J. Tzakis
9
#5
Ronald Lee
7
#5
Stanley E. Lehnert
7
#7
David P. Chuboff
6
#7
Melvin H. Boldt
6
#7
Thomas J. Zato
6
#10
Adrian J. DeVries
5
#10
Akio Tanaka
5
#10
Daniel L. Reneau
5
#10
Fred D. Johnson
5
#10
Gregory J. Beaumont
5
#10
Lawrence W. Dougherty
5
#10
Melvin C. Hendrickson
5
#10
Michael D. Flasza
5
#10
Wayne E. Bretl
5
#10
Walter S. Ciciora
5
#20
Horst M. Krenz
4
#20
James W. Schwartz
4
#20
Paul A. Snopko
4
#20
Pierre Dobrovolny
4
#20
Richard L. Hockenbrock
4
#20
Robert E. Slater
4
#20
Wayne J. Franek
4
#20
William L. Thomas
4
#28
Alain H. d'Hautecourt
3
#28
Charles Cox
3
#28
Frederick H. Moon
3
#28
Frank Templin
3
#28
Jouke N. Rypkema
3
#28
Joseph F. Yello
3
#28
Meyer L. Sugarman
3
#28
Peter Strammello, Jr.
3
#28
Philip J. Nowaczyk
3
#28
Richard W. Midland
3
#28
Richard G. Schmid
3
#28
Richard J. Steinmetz
3
#28
Scott L. Falater
3
#28
Stephen Lai
3
#28
William A. Rowe
3
#28
William R. Weissmueller
3
#44
Adrian J. De Vries
2
#44
Allen P. Blacker
2
#44
Arthur J. Ingle
2
#44
Bruce C. Trump
2
#44
by Melvin W. Boldt, executor
2
#44
Carl Campisi
2
#44
Carl G. Eilers
2
1
2
3
Next »
Related Companies
Sonicwall
254
Xyleco
254
Zinser Textilmaschinen Gmbh
253
Sextant Avionique
253
Smithkline & French Laboratories
253
Laurel Bank Machines Co.
253
Dow Corning Toray Co.
253
Lighting Science Group
253
The Arizona Board Of Regents
253