Yuko Muramatsu

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Tokorozawa-City, JP

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Patents Grantslast 30 patents

Information Patent Grant
Error counting apparatus for counting an error number of a pre-pit...
- Patent number 7,099,255
- Issue date Aug 29, 2006
- Pioneer Corporation
- Masahiro Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Aperture ratio measuring apparatus for optical recording medium wit...
- Patent number 6,956,802
- Issue date Oct 18, 2005
- Pioneer Corporation
- Masahiro Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
APPARATUS FOR ADJUSTING SIGNAL LEVELS DERIVED FROM AN OPTICAL DISC...
- Patent number 6,954,418
- Issue date Oct 11, 2005
- Pioneer Corporation
- Naoharu Yanagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Pre-pit detecting apparatus for optical recording medium
- Patent number 6,928,041
- Issue date Aug 9, 2005
- Pioneer Corporation
- Masahiro Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical device including a calibrating unit for calibrating a level...
- Patent number 6,865,143
- Issue date Mar 8, 2005
- Pioneer Corporation
- Naoharu Yanagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Pre-pit detecting apparatus for optical recording medium
- Patent number 6,801,488
- Issue date Oct 5, 2004
- Pioneer Corporation
- Masahiro Kato
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Error counting apparatus and method
- Publication number 20020172120
- Publication date Nov 21, 2002
- PIONEER CORPORATION
- Masahiro Kato
- G11 - INFORMATION STORAGE
Information Patent Application
Optical device and optically recorded information recording/reading...
- Publication number 20020159344
- Publication date Oct 31, 2002
- PIONEER CORPORATION
- Naoharu Yanagawa
- G11 - INFORMATION STORAGE
Information Patent Application
Aperture ratio measuring apparatus for optical recording medium wit...
- Publication number 20020123862
- Publication date Sep 5, 2002
- PIONEER CORPORATION
- Masahiro Kato
- G11 - INFORMATION STORAGE
Information Patent Application
Pre-pit detecting apparatus for optical recording medium
- Publication number 20020114248
- Publication date Aug 22, 2002
- PIONEER CORPORATION
- Masahiro Kato
- G11 - INFORMATION STORAGE
Information Patent Application
Pre-pit detecting apparatus for optical recording medium
- Publication number 20020114249
- Publication date Aug 22, 2002
- PIONEER CORPORATION
- Masahiro Kato
- G11 - INFORMATION STORAGE
Information Patent Application
Apparatus for synthesizing signals derived from an optical disc
- Publication number 20020114261
- Publication date Aug 22, 2002
- Naoharu Yanagawa
- G11 - INFORMATION STORAGE