Patent Leaderboard
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
Search
Companies
Inventors
KT
Key Technology
Rank (All Time):
#6743
of 106,127
Top 7%
131 inventors
107
Patents All Time
Top Inventors at Key Technology
All Time
Rank
Name
Patents
1
Gerald R. Richert
15
2
Johan Calcoen
15
3
Timothy L. Justice
15
#4
David Durand
8
#5
David W. Hufford
8
#6
Dirk Adams
8
#7
Christopher A. Woiler
7
#8
Dean Dunham
7
#9
Peter T. Jones
7
#10
Eugene Groenewald
6
#11
Cliff J. Leidecker
5
#12
James Ruff
5
#13
Carlo Janssens
4
#14
Chen Nan Lai
4
#15
Duncan Campbell
4
#16
Kenneth J. McGarvey
4
#17
Michael T. Jones
4
#18
Quentin Kemph
4
#19
Robert E. Jones
4
#20
Walter L. Davis
4
#21
Brian Howton
3
#22
Bret J. Larreau
3
#23
Chanson Lin
3
#24
ELLIOT T. BURCH
3
#25
H. Parks Squyres
3
#26
Hans G. Haimberger
3
#27
John Euford Mobley
3
#28
Kenneth Neri
3
#29
Malcolm W. Randall
3
#30
Marc Van Daele
3
#31
Peter Lodewyckx
3
#32
Ronald Carstens
3
#33
Roydan T. Tomlinson
3
#34
Timothy J. Reardon
3
#35
Tracy L. McGowen
3
#36
Brandon T. Hall
2
#37
Chuan-Sheng Lin
2
#38
Dale Messenger
2
#39
J. Thomas Higgins
2
#40
James M. Ewan
2
#41
Jean-Francois Pellet
2
#42
Joachim Van der Perre
2
#43
Ken Carambot
2
#44
Ken McGarvey
2
#45
Louis D. Jausoro
2
#46
Maurice Hunking
2
#47
Mark Schmidtgall
2
#48
Mike Lemke
2
#49
Paul Daalmeijer
2
#50
Philip L. Hoffman
2
#51
Rodney J. Fazzari
2
#52
Robert E. Ruthven
2
#53
Rudolph F. Mutter
2
#54
Scott Benjamin
2
#55
Thaddeus Hicks
2
#56
Thomas C. Madsen
2
#57
Tim Van De Laak
2
#58
Tsair-Jinn Cheng
2
#59
Willem (Wout) Jan Arentsen
2
#60
Austin von Pohle
1
#61
Bert Dirix
1
#62
Brian D. Lovgren
1
#63
Chuck Jameson
1
#64
Chris Woiler
1
#65
Cheng-Wei Yang
1
#66
D. Murphy Carmichael
1
#67
David W. Allen
1
#68
David K. Johnsen
1
#69
Danielle Wilson
1
#70
Denerd Harstad
1
#71
Edward D. Clement
1
#72
Eric Mason
1
#73
Frank Schuster
1
#74
Frank K. Skorina
1
#75
Gary I. Brown
1
#76
Geert Milis
1
#77
Glenn A. Waller
1
#78
Harm-Jan de Bruin
1
#79
Hans Dierken
1
#80
Harry Drewes
1
#81
Hans G. Halmberger
1
#82
Hooshmand M. Kalayeh
1
#83
James E. Anderson
1
#84
James Gale
1
#85
James K. West
1
#86
Jeff Brant
1
#87
Jeroen Erinkveld
1
#88
Joseph C. Thomas
1
#89
Kenneth G. Carambot
1
#90
Koby J. Campbell
1
#91
Kuang-Yuan Chen
1
#92
Kuo-Hong Wang
1
#93
Larry Mahanna
1
#94
Mark A. Bauman
1
#95
Marc R. Olsen
1
#96
Michael J. Opp
1
#97
Michael J. Wierman
1
#98
Patrick Ferguson
1
#99
Paul Geoffrey Newton
1
#100
Peter Funke
1