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
›
Celgard
CE
Celgard
— 168 Patents
Rank
(All Time):
#4,443
of
106,120
Top 5%
126
inventors
168
Patents All Time
Top Inventors at Celgard
All Time
Showing
1–50
of
126
inventors
Rank
Name
Patents
1
Xiaomin Zhang
36
2
Lie Shi
32
2
Zhengming Zhang
32
#4
Kristoffer K. Stokes
28
#5
Karl F. Humiston
21
#6
C. Glen Wensley
19
#7
Amitava Sengupta
16
#7
Changqing Wang Adams
16
#7
Kang Karen Xiao
16
#10
Gareth P. Taylor
13
#10
Ronald W. Call
13
#10
Ronnie E. Smith
13
#13
Eric White
12
#13
Jill V. Watson
12
#13
Stefan Reinartz
12
#16
Robert Nark
11
#17
Daniel R. Alexander
10
#17
Insik Jeon
10
#19
Charles E. Haire
8
#19
Donald K. Simmons
8
#19
Paul D. Vido
8
#19
Takahiko Kondo
8
#23
Brian R. Stepp
7
#23
Katharine Chemelewski
7
#23
Khuy V. Nguyen
7
#23
Linus I. Holstein
7
#23
Masaaki Okada
7
#23
Paul M. Halmo
7
#29
Eric J. Penegar
6
#29
Gerald P. Rumierz
6
#29
Junqing Ma
6
#29
Pankaj Arora
6
#29
Shante P. Williams
6
#29
Tony R. Vido
6
#29
Xiangyun Wei
6
#36
Charles J. Runkle
5
#36
Martin J. Weinstein
5
#36
Timothy D. Price
5
#36
Weifeng Fang
5
#40
E. Wayne Bouldin, Jr.
4
#40
Joseph G. Yaritz
4
#40
Kwantai Cho
4
#40
Michael A. Braswell
4
#40
Ronald A. Proctor
4
#40
Robert M. Spotnitz
4
#40
Ta-Hua Yu
4
#40
Tyrone S. Fields
4
#40
Wei-Ching Yu
4
#40
William John Mason
4
#40
William John Paulus
4
1
2
3
Next »
Related Companies
Alcatel Network Systems
168
Societe Nationale Des Poudres Et Explosifs
168
British Gas Plc
168
Skf Kugellagerfabriken Gmbh
168
Koppers
168
Endress+Hauser
168
Gn Resound A/S
168
Kikkerland Design
168
Gunze Limited
168