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Shigeo Yamaguchi
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Recording device, recording method, reproducing device, and reprodu...
Patent number
7,430,157
Issue date
Sep 30, 2008
Sony Corporation
Masatoshi Nishino
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk data reproduction device using NRZI modulated data
Patent number
7,221,633
Issue date
May 22, 2007
Sony Corporation
Shigeo Yamaguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Phase-change optical disk and optical disk apparatus
Patent number
6,906,990
Issue date
Jun 14, 2005
Sony Corporation
Masayoshi Nagata
G11 - INFORMATION STORAGE
Information
Patent Grant
Drive device
Patent number
6,721,254
Issue date
Apr 13, 2004
Sony Corporation
Shigeo Yamaguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Information reproducing apparatus and reproducing method
Patent number
6,570,940
Issue date
May 27, 2003
Sony Corporation
Shigeo Yamaguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
PLL circuit
Patent number
6,441,661
Issue date
Aug 27, 2002
Asahi Kasei Kabushiki Kaisha
Hiroshi Aoki
G11 - INFORMATION STORAGE
Information
Patent Grant
Information reproducing apparatus and reproducing method
Patent number
6,317,471
Issue date
Nov 13, 2001
Sony Corporation
Junichi Horigome
G11 - INFORMATION STORAGE
Information
Patent Grant
Information reproducing apparatus and reproducing method
Patent number
6,289,059
Issue date
Sep 11, 2001
Sony Corporation
Shigeo Yamaguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Information reproducing apparatus and reproducing method
Patent number
6,192,502
Issue date
Feb 20, 2001
Sony Corporation
Shigeo Yamaguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Information reproducing apparatus and reproducing method
Patent number
6,097,685
Issue date
Aug 1, 2000
Sony Corporation
Shigeo Yamaguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disc system, optical disc and recording method
Patent number
5,689,488
Issue date
Nov 18, 1997
Sony Corporation
Shigeo Yamaguchi
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Recording device, recording method, reproducing device, and reprodu...
Publication number
20060256675
Publication date
Nov 16, 2006
Masatoshi Nishino
G11 - INFORMATION STORAGE
Information
Patent Application
Recording medium, recording apparatus, reproducing apparatus, recor...
Publication number
20060153043
Publication date
Jul 13, 2006
Masatoshi Nishino
G11 - INFORMATION STORAGE
Information
Patent Application
Disk drive device and recording power setting method
Publication number
20050207299
Publication date
Sep 22, 2005
SONY CORPORATION
Shigeo Yamaguchi
G11 - INFORMATION STORAGE
Information
Patent Application
Disk device
Publication number
20030123363
Publication date
Jul 3, 2003
Shigeo Yamaguchi
G11 - INFORMATION STORAGE
Information
Patent Application
Phase-change optical disk and optical disk apparatus
Publication number
20020181377
Publication date
Dec 5, 2002
Masayoshi Nagata
G11 - INFORMATION STORAGE
Information
Patent Application
Information reproducing apparatus and reproducing method
Publication number
20010048649
Publication date
Dec 6, 2001
SONY CORPORATION
Shigeo Yamaguchi
G11 - INFORMATION STORAGE