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Hideo Sawamoto
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Machida, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Data processor having cache memory
Patent number
7,240,159
Issue date
Jul 3, 2007
Hitachi, Ltd.
Takashi Hotta
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data processor having cache memory
Patent number
6,848,027
Issue date
Jan 25, 2005
Hitachi, Ltd.
Takashi Hotta
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Semiconductor integrated circuit device with memory blocks and a wr...
Patent number
6,714,477
Issue date
Mar 30, 2004
Hitachi, Ltd.
Michiaki Nakayama
G11 - INFORMATION STORAGE
Information
Patent Grant
Data processor having cache memory
Patent number
6,587,927
Issue date
Jul 1, 2003
Hitachi, Ltd.
Takashi Hotta
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and system for data transfer
Patent number
6,442,223
Issue date
Aug 27, 2002
International Business Machines Corporation
Daniel Mark Dreps
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Semiconductor integrated circuit device with memory banks and read...
Patent number
6,430,103
Issue date
Aug 6, 2002
Hitachi, Ltd.
Michiaki Nakayama
G11 - INFORMATION STORAGE
Information
Patent Grant
Data processor with variable types of cache memories and a controll...
Patent number
6,275,902
Issue date
Aug 14, 2001
Hitachi, Ltd.
Takashi Hotta
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Information processor for performing processing without register co...
Patent number
6,101,596
Issue date
Aug 8, 2000
Hitachi, Ltd.
Shigeya Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Semiconductor memory device and information processor using the same
Patent number
6,032,229
Issue date
Feb 29, 2000
Hitachi, Ltd.
Takashi Hotta
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data processor with variable types of cache memories
Patent number
5,848,432
Issue date
Dec 8, 1998
Hitachi, Ltd.
Takashi Hotta
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Floating-point addition/substraction processing apparatus and metho...
Patent number
5,684,729
Issue date
Nov 4, 1997
Hitachi, Ltd.
Hiromichi Yamada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Input/output execution apparatus for a plural-OS run system
Patent number
5,499,379
Issue date
Mar 12, 1996
Hitachi, Ltd.
Shunji Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Information processing apparatus with address extension function
Patent number
5,426,751
Issue date
Jun 20, 1995
Hitachi, Ltd.
Hideo Sawamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Buffer storage control apparatus including a translation lookaside...
Patent number
5,396,605
Issue date
Mar 7, 1995
Hitachi, Ltd.
Hideo Sawamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
I/O execution method for a virtual machine system and system therefor
Patent number
5,392,409
Issue date
Feb 21, 1995
Hitachi, Ltd.
Hidenori Umeno
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Semiconductor integrated circuit device
Patent number
5,384,738
Issue date
Jan 24, 1995
Hitachi, Ltd.
Shuuichi Miyaoka
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Invalidation of entries in a translation table by providing the mac...
Patent number
5,317,710
Issue date
May 31, 1994
Hitachi, Ltd.
Mari Ara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multiple virtual storage system and address control apparatus havin...
Patent number
5,305,458
Issue date
Apr 19, 1994
Hitachi, Ltd.
Yukihiro Motomura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Semiconductor integrated circuit device
Patent number
5,291,445
Issue date
Mar 1, 1994
Hitachi, Ltd.
Shuuichi Miyaoka
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Data processing apparatus operable in extended or unextended virtua...
Patent number
5,287,475
Issue date
Feb 15, 1994
Hitachi, Ltd.
Hideo Sawamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Address translation apparatus in virtual machine system using a spa...
Patent number
5,129,071
Issue date
Jul 7, 1992
Hitachi, Ltd.
Ryo Yamagata
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
I/O execution method for a virtual machine system and system therefor
Patent number
5,109,489
Issue date
Apr 28, 1992
Hitachi, Ltd.
Hidenori Umeno
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Information processing system using domain table address extension...
Patent number
5,023,777
Issue date
Jun 11, 1991
Hitachi, Ltd.
Hideo Sawamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Command controlled multi-storage space protection key pretesting sy...
Patent number
4,999,770
Issue date
Mar 12, 1991
Hitachi, Ltd.
Mari Ara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for generating a real address multiple virtual...
Patent number
4,985,828
Issue date
Jan 15, 1991
Hitachi, Ltd.
Naohiko Shimizu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
I/O Execution method for a virtual machine system and system therefor
Patent number
4,885,681
Issue date
Dec 5, 1989
Hitachi, Ltd.
Hidenori Umeno
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
Data processor having cache memory
Publication number
20070233959
Publication date
Oct 4, 2007
Takashi Hotta
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Data processor having cache memory
Publication number
20050102472
Publication date
May 12, 2005
Takashi Hotta
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Data processor having cache memory
Publication number
20030204676
Publication date
Oct 30, 2003
Takashi Hotta
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Semiconductor integrated circuit device with memory blocks and a wr...
Publication number
20020176308
Publication date
Nov 28, 2002
Michiaki Nakayama
G11 - INFORMATION STORAGE
Information
Patent Application
Data processor having cache memory
Publication number
20010037432
Publication date
Nov 1, 2001
Takashi Hotta
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Semiconductor integrated circuit
Publication number
20010012232
Publication date
Aug 9, 2001
Michiaki Nakayama
G11 - INFORMATION STORAGE