Satoshi Kumai

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Shinagawa-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical recording apparatus, and method for controlling laser power...
- Patent number 7,379,406
- Issue date May 27, 2008
- Sony Corporation
- Kenji Nagashima
- G11 - INFORMATION STORAGE
Information Patent Grant
Data recording device, data reproducing device, and optical disc
- Patent number 6,819,642
- Issue date Nov 16, 2004
- Sony Corporation
- Satoshi Kumai
- G11 - INFORMATION STORAGE
Information Patent Grant
Data recording method and data recording apparatus
- Patent number 6,678,226
- Issue date Jan 13, 2004
- Sony Corporation
- Yoshihiro Horibata
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording apparatus and recording medium
- Patent number 6,614,745
- Issue date Sep 2, 2003
- Sony Corporation
- Toru Takeda
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Disc recording medium including rotational-angle marks, recording a...
- Publication number 20040017746
- Publication date Jan 29, 2004
- SONY CORPORATION
- Toru Takeda
- G11 - INFORMATION STORAGE
Information Patent Application
Data recording method and data recording apparatus
- Publication number 20020191505
- Publication date Dec 19, 2002
- Yoshihiro Horibata
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording apparatus, and a method for controlling laser pow...
- Publication number 20020071366
- Publication date Jun 13, 2002
- Kenji Nagashima
- G11 - INFORMATION STORAGE
Information Patent Application
Data recording device, data reproducing device, and optical disc
- Publication number 20010024410
- Publication date Sep 27, 2001
- Satoshi Kumai
- G11 - INFORMATION STORAGE