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
›
Cardinal Ig
CI
Cardinal Ig
— 99 Patents
Rank
(All Time):
#7,169
of
106,120
Top 7%
72
inventors
99
Patents All Time
Top Inventors at Cardinal Ig
All Time
Showing
1–50
of
72
inventors
Rank
Name
Patents
1
Andrew DeMiglio
17
1
Eric Bjergaard
17
3
Paul Trpkovski
14
3
Robert C. Buchanan
14
#5
Hari Atkuri
12
#6
Michael J. Milewski
11
#7
Nicholas Schleder
10
#8
Eric Berner
9
#9
Benjamin J. Zurn
8
#9
Chad Peters
8
#11
Jingwei Zhang
7
#12
Curtis Lee Queck
6
#12
James E. Larsen
6
#14
Annette J. Krisko
5
#14
Michael Eul
5
#14
Patrick Gayout
5
#14
Roger O'Shaughnessy
5
#18
Eric W. Rueckheim
4
#18
Nicolas Le Houx
4
#18
Peter Whaley
4
#18
Timothy Braun
4
#22
Elodie Bouny
3
#22
Erik W. Carlson
3
#22
Gary R. Matthews
3
#22
John Brian Shero
3
#22
Jonathan D. Wyman
3
#22
Rene Poix
3
#22
Robert Bond
3
#22
Wayne Hoffman
3
#30
Bernie Herron
2
#30
Curt L. Queck
2
#30
Daniel Todd Butson
2
#30
Grant Michael Knoble
2
#30
Jacobus P. Pretorius
2
#30
Joshua Hanzel
2
#30
Kent Zehner
2
#30
Nicholas Schieder
2
#30
Philippe Letocart
2
#30
Robert C. Grommesh
2
#30
Robert G. Spindler
2
#30
Scott A. Maxwell
2
#42
Al Slavich
1
#42
Annabelle Andreau-Wiedenmaier
1
#42
Bernard J. Herron
1
#42
Brook A. Hayes
1
#42
Chris Granley
1
#42
Emmanuel MIMOUN
1
#42
Emmanuelle Relot
1
#42
Eric Eby
1
#42
Eric B. Rapp
1
1
2
Next »
Related Companies
Arconic
100
Rakuten Symphony
99
Suncoke Technology And Development
99
Qingdao Haier Refrigerator Co.
99
Corteva Agriscience
99
Spacesaver
99
Block Drug Company
99
Grandis
99
Board Of Trustees Leland Stanford Jr University
99