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
›
Qlogic
QL
Qlogic
— 355 Patents
Rank
(All Time):
#2,299
of
106,120
Top 3%
242
inventors
355
Patents All Time
Top Inventors at Qlogic
All Time
Showing
1–50
of
242
inventors
Rank
Name
Patents
1
Frank R. Dropps
89
2
Gary M. Papenfuss
28
3
Ernest G. Kohlwey
26
#4
Craig M. Verba
23
#5
Edward C. McGlaughlin
20
#6
Edward C. Ross
18
#7
Charles Micalizzi, Jr.
13
#7
Rajendra R. Gandhi
13
#7
Shishir Shah
13
#10
Jerald K. Alston
12
#10
Mark A. Owen
12
#10
Steven M. Betker
12
#10
Ying P. Lok
12
#14
Bradley S. Sonksen
11
#14
James A. Kunz
11
#16
Bruce A. Klemin
10
#16
Dharma R. Konda
10
#16
Vladimir Tamarkin
10
#19
Michael I. Thompson
9
#19
Todd Rimmer
9
#21
Dave Olson
8
#21
John M Fike
8
#23
Derek Rohde
7
#23
Ian G. Colloff
7
#23
Kuangfu David Chu
7
#23
Leo J. Slechta, Jr.
7
#23
Shashank Jaywant Pandhare
7
#23
William J. Gustafson
7
#23
William J. Wen
7
#30
Kanoj Sarcar
6
#30
Thomas R. Prohofsky
6
#32
David T. Kwak
5
#32
David E. Woodral
5
#32
Duane J. McCrory
5
#32
Gregory B. Lindahl
5
#32
Jeffrey B. Rubin
5
#32
Leonard W. Haseman
5
#32
Manoj Wadekar
5
#32
Richard S. Moore
5
#32
Sanjaya Anand
5
#32
William W. Dennin
5
#32
William C. Terrell
5
#43
Ajmer Singh
4
#43
Bhavik Shah
4
#43
Bret E. Indrelee
4
#43
Govind Kizhepat
4
#43
Mark W. Wessel
4
#43
Normin A. Emralino
4
#43
Oscar L. Grijalva
4
#43
Renae M. Weber
4
1
2
3
Next »
Related Companies
Osaka Gas Co.
356
Glaxosmithkline
356
Southeast University
356
Richemont International Sa
356
Fairchild Korea Semiconductor
355
Cleversafe
355
Kolon Industries
355
Spring Meadow Nursery
355
Anpec Electronics
355