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Hiroshige Okamura
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Chiba, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Modulation apparatus and method
Patent number
7,256,718
Issue date
Aug 14, 2007
Sony Corporation
Toshiyuki Nakagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording medium, reproducing apparatus, and recording apparatus
Patent number
7,120,105
Issue date
Oct 10, 2006
Sony Corporation
Hiroshige Okamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Modulation apparatus and method, and DSV-control-bit generating method
Patent number
6,982,660
Issue date
Jan 3, 2006
Sony Corporation
Toshiyuki Nakagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Modulation apparatus and method, and DSV-control-bit generating method
Patent number
6,965,329
Issue date
Nov 15, 2005
Sony Corporation
Toshiyuki Nakagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Modulation apparatus and method, and DSV-control-bit generating method
Patent number
6,958,713
Issue date
Oct 25, 2005
Sony Corporation
Toshiyuki Nakagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Modulating apparatus and method, and DSV control bit producing method
Patent number
6,950,042
Issue date
Sep 27, 2005
Sony Corporation
Toshiyuki Nakagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Modulation apparatus and method and DSV control bit generation method
Patent number
6,914,544
Issue date
Jul 5, 2005
Sony Corporation
Toshiyuki Nakagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Reproducing apparatus using an information recording medium wherein...
Patent number
5,818,805
Issue date
Oct 6, 1998
Sony Corporation
Seiji Kobayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording medium with pits edges shifted in a step-wise...
Patent number
5,809,004
Issue date
Sep 15, 1998
Sony Corporation
Seiji Kobayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording medium wherein digital symbols are represente...
Patent number
5,748,582
Issue date
May 5, 1998
Sony Corporation
Seiji Kobayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording medium wherein multi-bit digital information...
Patent number
5,724,330
Issue date
Mar 3, 1998
Sony Corporation
Seiji Kobayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording apparatus and process for recording on a reco...
Patent number
5,615,193
Issue date
Mar 25, 1997
Sony Corporation
Seiji Kobayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording medium and a recording apparatus and a reprod...
Patent number
5,566,158
Issue date
Oct 15, 1996
Sony Corporation
Seiji Kobayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Reproducing apparatus for reproducing information from a recording...
Patent number
5,557,592
Issue date
Sep 17, 1996
Sony Corporation
Selji Kobayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-optical recording utilizing signal phase adjustment
Patent number
5,450,381
Issue date
Sep 12, 1995
Sony Corporation
Yoshihiro Tsukamura
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
MODULATION APPARATUS AND METHOD, AND DSV-CONTROL-BIT GENERATING METHOD
Publication number
20050174265
Publication date
Aug 11, 2005
Sony Corporation
Toshiyuki Nakagawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
MODULATION APPARATUS AND METHOD, AND DSV-CONTROL-BIT GENERATING METHOD
Publication number
20050174267
Publication date
Aug 11, 2005
Sony Corporation
Toshiyuki Nakagawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
MODULATION APPARATUS AND METHOD, AND DSV-CONTROL-BIT GENERATING METHOD
Publication number
20050174266
Publication date
Aug 11, 2005
Sony Corporation
Toshiyuki Nakagawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Modulating apparatus and method, and dsv control bit producing method
Publication number
20050017881
Publication date
Jan 27, 2005
Toshiyuki Nakagawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Modulation apparatus and method
Publication number
20040130467
Publication date
Jul 8, 2004
Toshiyuki Nakagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Modulation apparatus and method and dsv control bit generation method
Publication number
20040125002
Publication date
Jul 1, 2004
Toshiyuki Nakagawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Recording medium, reproducing apparatus, and recording apparatus
Publication number
20030174625
Publication date
Sep 18, 2003
SONY CORPORATION
Hiroshige Okamura
G11 - INFORMATION STORAGE