Patent Leaderboard
USPTO Patent Rankings
Data through Sept 30, 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
›
Simula
SI
Simula
Rank
(All Time):
#11,206
of
106,127
Top 15%
72
inventors
60
Patents All Time
Top Inventors at Simula
All Time
Showing
1–50
of
72
inventors
Rank
Name
Patents
1
David J. Romeo
10
1
Gershon Yaniv
10
1
Marvin K. Richards
10
#4
Dirk J. Hardtmann
5
#4
Gary F. Bradley
5
#4
Leslie D. Peterson
5
#4
Nathan R. Butters
5
#8
Edwin C. Slagel
4
#8
Gregory B. Grace
4
#8
James C. Warrick
4
#8
Jeffrey A. Mears
4
#8
Lindley W. Bark
4
#13
F. Stanton Lyons
3
#13
Gregory A. Mowry
3
#13
Kenneth W. Sego, Jr.
3
#13
Timothy A. Swann
3
#17
Brent K. Olson
2
#17
Fielder Stanton Lyons
2
#17
Joseph Wesley Coltman, III
2
#17
Ken-An Lou
2
#17
Lance C. Labun
2
#17
Mynor J. Castro
2
#17
P. Victor Kelsey
2
#17
Philip Raymond Schaefer
2
#17
Stanley P. Desjardins
2
#17
Wael S. Elqadah
2
#17
William Barry Shope
2
#28
Bernd Zimmerman
1
#28
Bruce Friedrich
1
#28
Bruce R. Hill
1
#28
Carroll Leon Rhodes
1
#28
Caroline VanIngen-Dunn
1
#28
Christopher K. DeLap
1
#28
Charles N. Whitaker
1
#28
Curtis Phillip Parsons
1
#28
David Douglas
1
#28
David R. Hammer
1
#28
Dan Lohavanijaya
1
#28
Daniel Sheu
1
#28
Donnie L. Bowser
1
#28
Donald Stevens
1
#28
Gary Brown
1
#28
Gary E. King
1
#28
Howard Lindsay
1
#28
James W. Duncan
1
#28
James K. O'Docherty
1
#28
James W. Ryan
1
#28
James Yuhas
1
#28
John A. DiPalma
1
#28
John P. O'Loughlin
1
1
2
Next »
Related Companies
Temic Automotive Of North America
60
Nabco
60
Oerlikon Contraves Ag
60
Moriyama Sangyo
60
Honda Giken Kabushiki Kaisha
60
Mitsubishi Materials Silicon
60
Sears, Roebuck And
60
Maxworld
60
Sumika Fine Chemicals Co.
60