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
›
Electro Scientific Industries
EI
Electro Scientific Industries
— 382 Patents
Rank
(All Time):
#2,147
of
106,127
Top 3%
314
inventors
382
Patents All Time
Top Inventors at Electro Scientific Industries
All Time
Showing
1–50
of
314
inventors
Rank
Name
Patents
1
Yunlong Sun
45
2
Kelly J. Bruland
31
3
Brian W. Baird
29
3
Mark A. Unrath
29
#5
Ho Wai Lo
24
#6
Douglas J. Garcia
22
#6
Hisashi Matsumoto
22
#8
Richard Harris
19
#9
Jeffrey Howerton
17
#9
Leo Baldwin
17
#9
Mark Kosmowski
17
#12
Edward J. Swenson
16
#13
Glenn Simenson
15
#14
Jan Kleinert
13
#14
Stephen Swaringen
13
#16
Haibin Zhang
12
#17
Brian Johansen
11
#17
Brady Nilsen
11
#17
William J. Jordens
11
#17
Yasu Osako
11
#21
Clint Vandergiessen
10
#21
James Brookhyser
10
#21
Michael S. Nashner
10
#24
James N. O'Brien
9
#24
Mehmet E. Alpay
9
#24
Weisheng Lei
9
#24
Xiaoyuan Peng
9
#28
Daragh Finn
8
#28
Jay H. Johnson
8
#28
Keith Grant
8
#28
Robert Hainsey
8
#28
Spencer Barrett
8
#33
David Childers
7
#33
David Martin Hemenway
7
#33
Frank G. Evans
7
#33
Patrick Leonard
7
#33
Peter Pirogovsky
7
#33
Robert M. Pailthorp
7
#39
Donald R. Cutler
6
#39
Doug J. Garcia
6
#39
Jay Wilkins
6
#39
Kenneth V. Almonte
6
#39
Kurt M. Eaton
6
#39
Kyung-young Kim
6
#39
Leif Summerfield
6
#39
Robert Reichenbach
6
#39
Adrian Boyle
6
#48
David Barsic
5
#48
Gerald F. Boe
5
#48
Jeff Howerton
5
1
2
3
Next »
Related Companies
University Of Pittsburgh
382
Zenith Products
382
Semitool
382
Graco Children'S Products
382
Meyer Intellectual Properties
382
Weber-Stephen Products
382
Ichikoh Industries
382
Rain Bird
382