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Yoshiaki Kuwahara
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Odawara-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Load distribution of multiple disks
Patent number
7,861,034
Issue date
Dec 28, 2010
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Distribution of I/O requests across multiple disk units
Patent number
7,254,674
Issue date
Aug 7, 2007
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Cache control method and apparatus
Patent number
7,082,496
Issue date
Jul 25, 2006
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Storage system with data prefetch function
Patent number
6,938,125
Issue date
Aug 30, 2005
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Distribution of I/O requests across multiple disk units
Patent number
6,728,832
Issue date
Apr 27, 2004
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Disk storage system having capability for performing parallel read...
Patent number
6,631,443
Issue date
Oct 7, 2003
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Air conditioner
Patent number
6,250,372
Issue date
Jun 26, 2001
Mitsubishi Denki Kabushiki Kaisha
Yasuyuki Arai
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Simultaneous read/write control of data storage disk units
Patent number
6,108,750
Issue date
Aug 22, 2000
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Cache control method and apparatus
Patent number
6,085,286
Issue date
Jul 4, 2000
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Air conditioner
Patent number
5,987,911
Issue date
Nov 23, 1999
Mitsubishi Denki Kabushiki Kaisha
Yasuyuki Arai
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Read/write control for grouped disk storage including parallel access
Patent number
5,835,938
Issue date
Nov 10, 1998
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Cache control by adding record identification information to partia...
Patent number
5,694,576
Issue date
Dec 2, 1997
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data distribution utilizing a master disk unit for fetching and for...
Patent number
5,680,574
Issue date
Oct 21, 1997
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Cache control method and apparatus for storing data in a cache memo...
Patent number
5,497,472
Issue date
Mar 5, 1996
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Disc access control method for cache-embedded disc control apparatu...
Patent number
5,404,487
Issue date
Apr 4, 1995
Hitachi, Ltd.
Tomohiro Murata
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Input/output control method and system
Patent number
5,257,352
Issue date
Oct 26, 1993
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
Refrigerant Distribution Device
Publication number
20080041097
Publication date
Feb 21, 2008
Mitsubishi Electric Corporation
Ryo Oya
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Load distribution of multiple disks
Publication number
20070239958
Publication date
Oct 11, 2007
Hitachi, Ltd
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Read-write control of data storage disk units
Publication number
20050240728
Publication date
Oct 27, 2005
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Distribution of I/O requests across multiple disk units
Publication number
20040177220
Publication date
Sep 9, 2004
Hitachi, Ltd
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Cache control method and apparatus
Publication number
20040030828
Publication date
Feb 12, 2004
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Read-write control of data storage disk units
Publication number
20040030829
Publication date
Feb 12, 2004
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Load distribution of multiple disks
Publication number
20010023463
Publication date
Sep 20, 2001
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING