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Eisaku Takahashi
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Higashine, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Storage control device and storage system
Patent number
8,671,264
Issue date
Mar 11, 2014
Fujitsu Limited
Eisaku Takahashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Abnormality determining apparatus
Patent number
8,089,712
Issue date
Jan 3, 2012
Fujitsu Limited
Mikio Ito
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and data storage devices for a RAID system
Patent number
7,805,659
Issue date
Sep 28, 2010
Fujitsu Limited
Eisaku Takahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Storage system, storage control device, and storage control method...
Patent number
7,590,884
Issue date
Sep 15, 2009
Fujitsu Limited
Hidejirou Daikokuya
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for replacement processing
Patent number
7,415,636
Issue date
Aug 19, 2008
Fujitsu Limited
Eisaku Takahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Storage apparatus and position sensitivity setting method
Patent number
6,556,367
Issue date
Apr 29, 2003
Fujitsu Limited
Eisaku Takahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk apparatus using coincidence detection to generate variable sec...
Patent number
6,137,646
Issue date
Oct 24, 2000
Fujitsu Limited
Eiji Okamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Storage device in which read/write operation is controlled in respo...
Patent number
5,907,859
Issue date
May 25, 1999
Fukitsu Limited
Kunihiro Shimada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus and method for adjusting positional sensitivity of disk unit
Patent number
5,822,144
Issue date
Oct 13, 1998
Fujitsu Limited
Eisaku Takahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Head positioning control for disk apparatus using peak detection, p...
Patent number
5,798,885
Issue date
Aug 25, 1998
Fujitsu Limited
Masaru Saiki
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage apparatus having servo control system
Patent number
5,659,437
Issue date
Aug 19, 1997
Fujitsu Limited
Masao Tsunekawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus having source power control unit responsive to voltage fl...
Patent number
5,638,307
Issue date
Jun 10, 1997
Fujitsu Limited
Mitsuo Kamimura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Spindle synchronization controller using advance calculation and of...
Patent number
5,497,277
Issue date
Mar 5, 1996
Fujitsu Limited
Eisaku Takahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Positioning control method and apparatus of head which is used in m...
Patent number
5,339,206
Issue date
Aug 16, 1994
Fujitsu Limited
Eisaku Takahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Data head offset detecting circuit in magnetic disk unit and magnet...
Patent number
5,321,564
Issue date
Jun 14, 1994
Fujitsu Limited
Eisaku Takahashi
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
STORAGE CONTROL DEVICE AND STORAGE SYSTEM
Publication number
20110055475
Publication date
Mar 3, 2011
FUJITSU LIMITED
Eisaku TAKAHASHI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Abnormality determining apparatus
Publication number
20090290247
Publication date
Nov 26, 2009
FUJITSU LIMITED
Mikio Ito
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DISK CONTROLLER AND METHOD THEREOF
Publication number
20080195886
Publication date
Aug 14, 2008
FUJITSU LIMITED
Eisaku Takahashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and data storage devices for a RAID system
Publication number
20070250757
Publication date
Oct 25, 2007
FUJITSU LIMITED
Eisaku Takahashi
G11 - INFORMATION STORAGE
Information
Patent Application
Storage system, storage control device, and storage control method
Publication number
20070002482
Publication date
Jan 4, 2007
FUJITSU LIMITED
Hidejirou Daikokuya
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and apparatus for controlling recording medium, and computer...
Publication number
20060075291
Publication date
Apr 6, 2006
FUJITSU LIMITED
Eisaku Takahashi
G11 - INFORMATION STORAGE
Information
Patent Application
DISK APPARATUS WITH REAL-TIME ECCENRICITY CORRECTION
Publication number
20010013989
Publication date
Aug 16, 2001
FUJITSU LIMITED
MASARU SAIKI
G11 - INFORMATION STORAGE
Information
Patent Application
Storage apparatus and position sensitivity setting method
Publication number
20010001585
Publication date
May 24, 2001
FUJITSU LIMITED
Eisaku Takahashi
G11 - INFORMATION STORAGE