Atsushi Ishimaru

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Playback device and management information acquiring method
- Patent number 7,969,842
- Issue date Jun 28, 2011
- Sony Corporation
- Masaaki Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup control apparatus, optical pickup control method, an...
- Patent number 7,344,077
- Issue date Mar 18, 2008
- Sony Corporation
- Seiichi Sagara
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
PLAYBACK DEVICE AND MANAGEMENT INFORMATION ACQUIRING METHOD
- Publication number 20080304383
- Publication date Dec 11, 2008
- SONY CORPORATION
- Masaaki YAMAMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pickup control apparatus, optical pickup control method, an...
- Publication number 20060164949
- Publication date Jul 27, 2006
- Sony Corporation
- Seiichi Sagara
- G11 - INFORMATION STORAGE