Ryoko Tokuda

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic apparatus, playback management method, display control a...
- Patent number 8,009,961
- Issue date Aug 30, 2011
- Sony Corporation
- Katsuhiko Watanabe
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Electronic apparatus, playback management method, display control a...
- Publication number 20070106675
- Publication date May 10, 2007
- SONY CORPORATION
- Katsuhiko Watanabe
- G11 - INFORMATION STORAGE