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Toru Ikeda
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Kawasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Flying height control method and circuit
Patent number
7,692,890
Issue date
Apr 6, 2010
Toshiba Storage Device Corporation
Toru Ikeda
G11 - INFORMATION STORAGE
Information
Patent Grant
Output adjustment method for lens position sensor of optical disk d...
Patent number
7,397,737
Issue date
Jul 8, 2008
Fujitsu Limited
Yuji Karakawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Rotation control method and storage apparatus
Patent number
7,345,972
Issue date
Mar 18, 2008
Fujitsu Limited
Takashi Masaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disc device
Patent number
7,324,413
Issue date
Jan 29, 2008
Fujitsu Limited
Tomonori Yamashita
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Information
Patent Grant
Information storage apparatus
Patent number
7,142,485
Issue date
Nov 28, 2006
Fujitsu Limited
Masatsugu Nishida
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Information
Patent Grant
Write and/or erase method and storage apparatus
Patent number
7,095,690
Issue date
Aug 22, 2006
Fujitsu Limited
Toru Ikeda
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Information
Patent Grant
Optical recording device, and method of determining optimum focus o...
Patent number
7,072,252
Issue date
Jul 4, 2006
Fujitsu Limited
Takashi Masaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of controlling rotation of optical recording medium at two o...
Patent number
7,031,242
Issue date
Apr 18, 2006
Fujitsu Limited
Takashi Masaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Information storage apparatus
Patent number
7,009,918
Issue date
Mar 7, 2006
Fujitsu Limited
Masatsugu Nishida
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Information
Patent Grant
Tracking control method and storage apparatus
Patent number
6,985,419
Issue date
Jan 10, 2006
Fujitsu Limited
Toru Ikeda
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Information
Patent Grant
Rotation control method for controlling rotation of media having zo...
Patent number
6,804,183
Issue date
Oct 12, 2004
Fujitsu Limited
Toru Ikeda
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium processing apparatus and seek control meth...
Patent number
6,721,245
Issue date
Apr 13, 2004
Fujitsu Limited
Tomonori Yamashita
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Information
Patent Grant
Storage apparatus and servo recovery method of it
Patent number
6,633,521
Issue date
Oct 14, 2003
Fujitsu Limited
Hideshi Mochizuki
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Information
Patent Grant
Optical memory apparatus and focus servo control method
Patent number
6,633,523
Issue date
Oct 14, 2003
Fujitsu Limited
Takashi Masaki
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Information
Patent Grant
Track jump method for ZCAV system and storage apparatus employing Z...
Patent number
6,628,575
Issue date
Sep 30, 2003
Fujitsu Limited
Toru Ikeda
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Information
Patent Grant
Optical pickup servo control apparatus with stored compensatory values
Patent number
6,522,606
Issue date
Feb 18, 2003
Fujitsu Limited
Shigeyoshi Tanaka
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Information
Patent Grant
Optical storage apparatus having reproducing magnetic field correct...
Patent number
6,519,210
Issue date
Feb 11, 2003
Fujitsu Limited
Toru Ikeda
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Information
Patent Grant
Optical storage apparatus
Patent number
6,452,879
Issue date
Sep 17, 2002
Fujitsu Limited
Wataru Tsukahara
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Information
Patent Grant
Optical storage apparatus
Patent number
6,370,094
Issue date
Apr 9, 2002
Fujitsu Limited
Masaya Kishinami
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Information
Patent Grant
Optical storage apparatus and recording and reproducing method of o...
Patent number
6,324,128
Issue date
Nov 27, 2001
Fujitsu Limited
Toru Ikeda
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Information
Patent Grant
Optical storage device made thinner by substituting electrical mean...
Patent number
6,292,444
Issue date
Sep 18, 2001
Fujitsu Limited
Toru Ikeda
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical storage apparatus
Patent number
6,249,496
Issue date
Jun 19, 2001
Fujitsu Limited
Wataru Tsukahara
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical storage apparatus
Patent number
6,118,739
Issue date
Sep 12, 2000
Fujitsu Limited
Masaya Kishinami
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Information
Patent Grant
Recording power adjustment for optical storage apparatus
Patent number
6,067,284
Issue date
May 23, 2000
Fujitsu Limited
Toru Ikeda
G11 - INFORMATION STORAGE
Information
Patent Grant
Motor driving device, method of adjusting the same, and information...
Patent number
6,040,674
Issue date
Mar 21, 2000
Fujitsu Limited
Masatsugu Nishida
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical storage device made thinner by substituting electrical mean...
Patent number
5,978,330
Issue date
Nov 2, 1999
Fujitsu Limited
Toru Ikeda
G11 - INFORMATION STORAGE
Information
Patent Grant
Focus control method, and optical disk unit with focus offset corre...
Patent number
5,970,032
Issue date
Oct 19, 1999
Fujitsu Limited
Toru Ikeda
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical storage device made thinner by substituting electrical mean...
Patent number
5,966,353
Issue date
Oct 12, 1999
Fujitsu Limited
Eiji Kaneko
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Information
Patent Grant
Method and device for detecting an amount of actuator offset for an...
Patent number
5,917,789
Issue date
Jun 29, 1999
Fujitsu Limited
Masaaki Iwasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical storage apparatus which detects a lens position signal with...
Patent number
5,870,356
Issue date
Feb 9, 1999
Fujitsu Limited
Toru Ikeda
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
FREQUENCY CONTROL APPARATUS AND STORAGE DEVICE
Publication number
20100134913
Publication date
Jun 3, 2010
Fujitsu Limited
Tatsuhiko Kosugi
G11 - INFORMATION STORAGE
Information
Patent Application
FLYING HEIGHT CONTROL METHOD AND CIRCUIT
Publication number
20090296262
Publication date
Dec 3, 2009
Fujitsu Limited
Toru Ikeda
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Information
Patent Application
Optical disk apparatus
Publication number
20070047406
Publication date
Mar 1, 2007
FUJITSU LIMITED
Tomonori Yamashita
G11 - INFORMATION STORAGE
Information
Patent Application
Tracking device
Publication number
20060126455
Publication date
Jun 15, 2006
FUJITSU LIMITED
Toru Ikeda
G11 - INFORMATION STORAGE
Information
Patent Application
Information storage apparatus
Publication number
20060007805
Publication date
Jan 12, 2006
Fujitsu Limited
Masatsugu Nishida
G11 - INFORMATION STORAGE
Information
Patent Application
Rotation control method and storage apparatus
Publication number
20050243675
Publication date
Nov 3, 2005
FUJITSU LIMITED
Takashi Masaki
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disc device
Publication number
20050226107
Publication date
Oct 13, 2005
FUJITSU LIMITED
Tomonori Yamashita
G11 - INFORMATION STORAGE
Information
Patent Application
Output adjustment method for lens position sensor of optical disk d...
Publication number
20050226109
Publication date
Oct 13, 2005
FUJITSU LIMITED
Yuji Karakawa
G11 - INFORMATION STORAGE
Information
Patent Application
Optical storage apparatus and abnormality detection method of detec...
Publication number
20040062164
Publication date
Apr 1, 2004
FUJITSU LIMITED
Shinji Miyamoto
G11 - INFORMATION STORAGE
Information
Patent Application
Optical recording device, and method of determining optimum focus o...
Publication number
20030161229
Publication date
Aug 28, 2003
FUJITSU LIMITED
Takashi Masaki
G11 - INFORMATION STORAGE
Information
Patent Application
Tracking control method and storage apparatus
Publication number
20020181347
Publication date
Dec 5, 2002
FUJITSU LIMITED
Toru Ikeda
G11 - INFORMATION STORAGE
Information
Patent Application
Write and/or erase method and storage apparatus
Publication number
20020181364
Publication date
Dec 5, 2002
FUJITSU LIMITED
Toru Ikeda
G11 - INFORMATION STORAGE
Information
Patent Application
Optical storage apparatus
Publication number
20020039333
Publication date
Apr 4, 2002
FUJITSU LIMITED
Wataru Tsukahara
G11 - INFORMATION STORAGE
Information
Patent Application
Rotation control method and storage apparatus
Publication number
20020039335
Publication date
Apr 4, 2002
FUJITSU LIMITED
Takashi Masaki
G11 - INFORMATION STORAGE
Information
Patent Application
Information storage apparatus
Publication number
20020031059
Publication date
Mar 14, 2002
Masatsugu Nishida
G11 - INFORMATION STORAGE
Information
Patent Application
Optical storage apparatus and recording and reproducing method of o...
Publication number
20010006493
Publication date
Jul 5, 2001
Fujitsu Limited
Toru Ikeda
G11 - INFORMATION STORAGE