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Hideyuki Yamakawa
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical disc device and optical disc playback method
Patent number
8,194,518
Issue date
Jun 5, 2012
Kabushiki Kaisha Toshiba
Hideyuki Yamakawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Organic electroluminescent element comprising a luminescent assist...
Patent number
7,786,667
Issue date
Aug 31, 2010
Toppan Printing Co., Ltd.
Hideyuki Yamakawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Disk device and disk reproduction method that prevents a wrong repr...
Patent number
7,535,811
Issue date
May 19, 2009
Kabushiki Kaisha Toshiba
Yukiyasu Tatsuzawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Integrated circuit, self-test method for the integrated circuit, an...
Patent number
7,466,253
Issue date
Dec 16, 2008
Kabushiki Kaisha Toshiba
Hideyuki Yamakawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method and apparatus for filtering read signal to three or more cut...
Patent number
7,403,463
Issue date
Jul 22, 2008
Kabushiki Kaisha Toshiba
Hideyuki Yamakawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disk apparatus, method of recording information, and inform...
Patent number
7,397,751
Issue date
Jul 8, 2008
Kabushiki Kaisha Toshiba
Toshihiko Kaneshige
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk apparatus and method using plural tap coefficient equalization
Patent number
7,379,408
Issue date
May 27, 2008
Kabushiki Kaisha Toshiba
Yukiyasu Tatsuzawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital signal decoding device and digital signal decoding method
Patent number
7,370,266
Issue date
May 6, 2008
Kabushiki Kaisha Toshiba
Hideyuki Yamakawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk apparatus and disk reproducing method
Patent number
6,975,252
Issue date
Dec 13, 2005
Kabushiki Kaisha Toshiba
Hideyuki Yamakawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Run length limited code generation method, run length limited code...
Patent number
6,812,868
Issue date
Nov 2, 2004
Kabushiki Kaisha Toshiba
Hideyuki Yamakawa
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
MICROPROCESSOR
Publication number
20140244894
Publication date
Aug 28, 2014
KABUSHIKI KAISHA TOSHIBA
Hiroshi Sato
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
OPTICAL DISC DEVICE AND OPTICAL DISC PLAYBACK METHOD
Publication number
20110199880
Publication date
Aug 18, 2011
Kabushiki Kaisha Toshiba
Hideyuki YAMAKAWA
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL DISC DEVICE AND OPTICAL DISC PLAYBACK METHOD
Publication number
20090296553
Publication date
Dec 3, 2009
Kabushiki Kaisha Toshiba
Hideyuki YAMAKAWA
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL DISC REPRODUCING DEVICE AND OPTICAL DISC REPRODUCING METHOD
Publication number
20090141605
Publication date
Jun 4, 2009
Kabushiki Kaisha Toshiba
Yukiyasu TATSUZAWA
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
PHASE-LOCKED LOOP CIRCUIT, PHASE-LOCKED LOOP CONTROL APPARATUS, AND...
Publication number
20080315958
Publication date
Dec 25, 2008
Kabushiki Kaisha Toshiba
Kyosuke Takahashi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
OPTICAL DISC APPARATUS AND OPTICAL DISC REPRODUCTION METHOD
Publication number
20080285406
Publication date
Nov 20, 2008
Kabushiki Kaisha Toshiba
Hiroyuki Moro
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL DISC RECORDING AND REPRODUCING APPARATUS AND OPTICAL DISC R...
Publication number
20080151726
Publication date
Jun 26, 2008
Kabushiki Kaisha Toshiba
Hideyuki YAMAKAWA
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL-DISC RECORDING/PLAYBACK APPARATUS AND OPTICAL-DISC RECORDIN...
Publication number
20080152318
Publication date
Jun 26, 2008
Kabushiki Kaisha Toshiba
Yukiyasu TATSUZAWA
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL DISC RECORDING AND REPRODUCING APPARATUS AND OPTICAL DISC R...
Publication number
20080151716
Publication date
Jun 26, 2008
Kabushiki Kaisha Toshiba
Yukiyasu TATSUZAWA
G11 - INFORMATION STORAGE
Information
Patent Application
INTEGRATED CIRCUIT, SELF-TEST METHOD FOR THE INTEGRATED CIRCUIT, AN...
Publication number
20080030386
Publication date
Feb 7, 2008
Kabushiki Kaisha Toshiba
Hideyuki Yamakawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
APPARATUS FOR REPRODUCING DATA ON RECORDING MEDIUM AND METHOD FOR R...
Publication number
20080019249
Publication date
Jan 24, 2008
TOSHIBA CORPORATION
Yukiyasu Tatsuzawa
G11 - INFORMATION STORAGE
Information
Patent Application
Information reproducing apparatus and information reproducing method
Publication number
20070177479
Publication date
Aug 2, 2007
KABUSHIKI KAISHA TOSHIBA
Yukiyasu Tatsuzawa
G11 - INFORMATION STORAGE
Information
Patent Application
Organic electroluminescent element
Publication number
20070085472
Publication date
Apr 19, 2007
Hideyuki Yamakawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DISK EVALUATING DEVICE AND DISK EVALUATING METHOD
Publication number
20070086301
Publication date
Apr 19, 2007
KABUSHIKI KAISHA TOSHIBA
Hideyuki YAMAKAWA
G11 - INFORMATION STORAGE
Information
Patent Application
Manufacturing method of a display device
Publication number
20070087645
Publication date
Apr 19, 2007
Akiko Tsujii
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Digital data reproducing device
Publication number
20070030777
Publication date
Feb 8, 2007
Hideyuki Yamakawa
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disk drive
Publication number
20070025224
Publication date
Feb 1, 2007
Yukiyasu Tatsuzawa
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disk apparatus and optical disk reproducing method
Publication number
20070025212
Publication date
Feb 1, 2007
Yukiyasu Tatsuzawa
G11 - INFORMATION STORAGE
Information
Patent Application
Information reproducing apparatus and information reproducing method
Publication number
20070025213
Publication date
Feb 1, 2007
KABUSHIKI KAISHA TOSHIBA
Hiroaki Morino
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disk apparatus and optical disk reproduction method
Publication number
20060092803
Publication date
May 4, 2006
Kabushiki Kaisha Toshiba
Yukiyasu Tatsuzawa
G11 - INFORMATION STORAGE
Information
Patent Application
Information recording medium, information playback method, and info...
Publication number
20060092824
Publication date
May 4, 2006
KABUSHIKI KAISHA TOSHIBA
Hideyuki Yamakawa
G11 - INFORMATION STORAGE
Information
Patent Application
Digital data reproducing apparatus and method
Publication number
20060092804
Publication date
May 4, 2006
Koichi Otake
G11 - INFORMATION STORAGE
Information
Patent Application
Signal processing apparatus and method for recording medium
Publication number
20060023604
Publication date
Feb 2, 2006
Kabushiki Kaisha Toshiba
Hideyuki Yamakawa
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disc apparatus and information playback method
Publication number
20050265185
Publication date
Dec 1, 2005
Yutaka Kashihara
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disk device, reproduction method of information on optical...
Publication number
20050185559
Publication date
Aug 25, 2005
Kabushiki Kaisha Toshiba
Hiroyuki Moro
G11 - INFORMATION STORAGE
Information
Patent Application
Disk drive apparatus, disk playback method, and disk
Publication number
20050141370
Publication date
Jun 30, 2005
Kabushiki Kaisha Toshiba
Hideyuki Yamakawa
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disk apparatus, method of recording information, and inform...
Publication number
20050141373
Publication date
Jun 30, 2005
Kabushiki Kaisha Toshiba
Toshihiko Kaneshige
G11 - INFORMATION STORAGE
Information
Patent Application
Disk apparatus and disk reproducing method
Publication number
20050141378
Publication date
Jun 30, 2005
Kabushiki Kaisha Toshiba
Yukiyasu Tatsuzawa
G11 - INFORMATION STORAGE
Information
Patent Application
DISK APPARATUS AND DISK REPRODUCING METHOD
Publication number
20050141385
Publication date
Jun 30, 2005
Kabushiki Kaisha Toshiba
Hideyuki Yamakawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Disk device and disk reproduction method
Publication number
20050117484
Publication date
Jun 2, 2005
Kabushiki Kaisha Toshiba
Yukiyasu Tatsuzawa
G11 - INFORMATION STORAGE