Takafumi Arai

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical disc apparatus and control method including an excess detec...
- Patent number 7,843,778
- Issue date Nov 30, 2010
- Sony Corporation
- Ryohei Yasuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive device and method of setting rotational speed thereof
- Patent number 6,317,399
- Issue date Nov 13, 2001
- Sony Corporation
- Hisao Ohtani
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive device and method of setting rotational speed thereof
- Patent number 6,195,322
- Issue date Feb 27, 2001
- Sony Corporation
- Hisao Ohtani
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical disc apparatus and control method
- Publication number 20060277559
- Publication date Dec 7, 2006
- SONY CORPORATION
- Ryohei Yasuda
- G11 - INFORMATION STORAGE