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
IT
International Game Technology
Rank (All Time):
#8152
of 106,127
Top 8%
89 inventors
86
Patents All Time
Top Inventors at International Game Technology
All Time
Rank
Name
Patents
1
Joseph R. Hedrick
18
2
Robert A. Luciano, Jr.
17
3
Jean Pierre Legras
14
#4
Logan L. Pease
10
#5
Chauncey W. Griswold
8
#6
Anthony J. Baerlocher
8
#7
Don C. Stephan
7
#8
Daniel J. Waller
6
#9
Peter D. Dickinson
5
#10
Robert W. Crowder, Jr.
5
#11
Ali Saffari
5
#12
Chris T. Brune
4
#13
Craig Paulsen
4
#14
Dwight E. Crevelt
4
#15
Jean Brossard
4
#16
Steven P. McGahn
4
#17
Harold E. Mattice
3
#18
James McGlone
3
#19
Robert E. Davids
3
#20
Robert Luciano
3
#21
Binh T. Nguyen
2
#22
Bill Wells
2
#23
Boone McReynolds
2
#24
David W. Loar
2
#25
Hardy Lee Crumby
2
#26
Jason Mayeroff
2
#27
John Leagh Beadell
2
#28
Joseph E. Kaminkow
2
#29
Noel D. Brodzinski
2
#30
Rick Rowe
2
#31
Richard E. Rowe
2
#32
Roy E. Adams
2
#33
Steven G. LeMay
2
#34
Stephen W. Morro
2
#35
Wesley F. Carmean
2
#36
William K. Bertram
2
#37
Yin Zin Mark Lam
2
#38
Ben Elie Isaac
1
#39
Bhavani Prasad
1
#40
Brian Colin
1
#41
Chris Reddicks
1
#42
Charles Schmucker
1
#43
Charles T. Schreiber
1
#44
Cynthia Criss-Puszkiewicz
1
#45
David A. Berg
1
#46
Dennis K. Mead
1
#47
Delbert Richard
1
#48
Doud Roger Branham
1
#49
Evelyn Liao
1
#50
Forrest D. Wolf
1
#51
Gene E. Powell
1
#52
Gregory H. Parrott
1
#53
Harold E. Koester
1
#54
James P. Hunt
1
#55
James Stockdale
1
#56
James R. Williams
1
#57
Jeffry L. Nauman
1
#58
Jon N. Bengston
1
#59
Kirk A. Tedsen
1
#60
Kumar Kannan
1
#61
Lawrence J. Torango
1
#62
Leagh Beadell
1
#63
Mark Bansemer
1
#64
Mark R. Cass
1
#65
Mark Y. Lam
1
#66
Mark Lowell
1
#67
Matthew Stein
1
#68
Mark Uihlein
1
#69
Michael Souza
1
#70
Paulina Glavich
1
#71
Peter Jude Mastera
1
#72
Raymond G. Bryan
1
#73
Richard Pennington
1
#74
Richard D. Sadler
1
#75
Richard L. Wilder
1
#76
Robert Breckner
1
#77
Robert H. Carson, Jr.
1
#78
Steven T. Castle
1
#79
Ted Gail
1
#80
Timothy G. Gilbert
1
#81
Tracy M. Powell
1
#82
Voytek Chwalisz
1
#83
Wayne Seguin
1
#84
Paul Scott Haefeli
1
#85
John Leagh Beadel
1
#86
Dennis W. Hoorn
1
#87
Ernest Baragar
1
#88
Aaron T. Jones
1
#89
Adrian R. Marcu
1