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Unisys
UN
Unisys
— 2,462 Patents
Rank
(All Time):
#335
of
105,732
Top 1%
2,028
inventors
2,462
Patents All Time
Patents per Year
Patents granted per year, 1996 to 2025
Bar chart with a peak of 134 patents in 1996.
peak 134
1996: 134 patents
1996
1997: 109 patents
1998: 122 patents
1999: 94 patents
1999
2000: 99 patents
2001: 109 patents
2002: 121 patents
2002
2003: 99 patents
2004: 118 patents
2005: 83 patents
2005
2006: 106 patents
2007: 86 patents
2008: 89 patents
2008
2009: 52 patents
2010: 40 patents
2011: 23 patents
2011
2012: 18 patents
2013: 13 patents
2014: 23 patents
2014
2015: 24 patents
2016: 40 patents
2017: 41 patents
2017
2018: 19 patents
2019: 22 patents
2020: 29 patents
2020
2021: 14 patents
2022: 10 patents
2023: 5 patents
2023
2024: 7 patents
2025: 7 patents
2025
Top Inventors at Unisys
All Time
Showing
1–50
of
2,028
inventors
Rank
Name
Patents
1
Mitchell A. Bauman
52
2
Bruce Ernest Whittaker
47
3
Larry L. Byers
47
#4
Robert A. Johnson
42
#5
John Vala
37
#6
Jerry Ihor Tustaniwskyj
36
#7
Johan P. Bakker
35
#8
Albert B. Cooper
30
#9
Michael N. Tranquilla
29
#10
Andrew Ward Beale
28
#11
Samuel C. Kingston
27
#12
James M. Plasek
25
#13
Jane Campbell Mazzagatti
24
#14
Kelsey L. Bruso
24
#15
Kelvin S. Vartti
24
#16
Gary Copenhaver
23
#17
Wayne A. Michaelson
22
#18
James Wittman Babcock
21
#19
Dennis R. Konrad
20
#20
David Strong
20
#21
John W. Zscheile, Jr.
19
#22
John S. Kuslak
19
#23
David J. Concannon
19
#24
Keith D. Mease
19
#25
Joseph Peter Stefaniak
18
#26
Terry W. Louth
18
#27
Duane J. McCrory
18
#28
Clive E. Catchpole
18
#29
J. Michael Spall
17
#30
Steven T. Barham
17
#31
Grant M. Smith
17
#32
Saul Barajas
17
#33
James R. Malnati
17
#34
Donald Edward Baisley
17
#35
Joseph P. Kerzman
16
#36
Andrew T. Jennings
16
#37
Ralph E. Sipple
16
#38
Thomas P. Cooper
16
#39
Daniel A. Jochym
15
#40
David R. Johnson
15
#41
Donald C. Englin
15
#42
Eugene J. Gretter
15
#43
Laurence P. Flora
15
#44
Sarah K. Inforzato
15
#45
Robert Klein
15
#46
Niels Gebauer
14
#47
Steven L. Rajcan
14
#48
David C. Johnson
14
#49
Edward T. Cavanagh
14
#50
Eugene A. Rodi
14
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Most Valuable Patents
Patent
Est. Value
Year
System architecture for improved message passing and process synchronization between concurrently executing processes
$140M
2000
Multiprocessor with split transaction bus architecture providing cache tag and address compare for sending retry direction to other bus module upon a match of subsequent address bus cycles to content of cache tag
$131M
2000
Electromechanical module having a thin springy plate for establishing pressed electrical connections
$130M
2000
Scalable memory controller
$130M
1999
Out-of-order fetching
$118M
1999
All 100 most valuable US patents →
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