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
›
Smith International
SI
Smith International
— 1,343 Patents
Rank
(All Time):
#624
of
106,120
Top 1%
708
inventors
1,343
Patents All Time
Top Inventors at Smith International
All Time
Showing
1–50
of
708
inventors
Rank
Name
Patents
1
Madapusi K. Keshavan
99
2
Youhe Zhang
89
3
Yuelin Shen
69
#4
Charles H. Dewey
65
#5
Anthony Griffo
64
#6
Peter Thomas Cariveau
61
#6
Sujian Huang
61
#8
Ronald K. Eyre
53
#9
J. Daniel Belnap
51
#10
Gary R. Portwood
50
#11
Michael G. Azar
45
#12
Amardeep Singh
41
#12
Michael A. Siracki
41
#14
Scott D. McDonough
39
#15
Chris E. Cawthorne
38
#16
Zhigang Fang
36
#17
Bruce McGarian
33
#17
Thomas W. Oldham
33
#19
Gregory T. Lockwood
31
#19
Stewart N. Middlemiss
31
#21
Zhou Yong
29
#22
John E. Campbell
26
#22
Yuri Burhan
26
#24
Georgiy Voronin
25
#24
Lance D. Underwood
25
#26
Bala Durairajan
24
#27
Robert H. Slaughter, Jr.
23
#28
Alan W. Lockstedt
22
#28
Dah-Ben Liang
22
#28
Graham Mensa-Wilmot
22
#28
James L. Larsen
22
#32
David Truax
21
#32
Praful C. Desai
21
#32
Scott M. Packer
21
#35
Alysia C. White
20
#35
Shantanu N. Swadi
20
#37
Timothy P. Beaton
19
#37
Yahua Bao
19
#37
Yi Fang
19
#40
Ghanshyam Rai
17
#40
James C. Minikus
17
#42
Dwayne P. Terracina
16
#42
Feng Yu
16
#44
Bela Geczy
15
#44
William R. Garrett
15
#46
Brian Cruickshank
14
#46
Carl M. Hoffmaster
14
#46
Jiaqing Yu
14
#46
Kumar T. Kembaiyan
14
#46
Quan Nguyen
14
1
2
3
Next »
Related Companies
Commvault Systems
1,353
Delta Faucet
1,351
Synaptics Incorporated
1,346
Biosense Webster (Israel)
1,346
Yale University
1,343
Largan Precision Co.
1,343
Nippon Shokubai Co.
1,342
Jvckenwood
1,342
Omnivision Technologies
1,340