Sumiyo EJIMA

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Authoring method, authoring device and program
- Patent number 8,712,223
- Issue date Apr 29, 2014
- Sony Corporation
- Sumiyo Ejima
- G11 - INFORMATION STORAGE
Information Patent Grant
Disc signal evaluation apparatus and disc signal evaluation method
- Patent number 7,564,752
- Issue date Jul 21, 2009
- Sony Corporation
- Sumiyo Ejima
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
AUTHORING METHOD, AUTHORING DEVICE AND PROGRAM
- Publication number 20110243528
- Publication date Oct 6, 2011
- SONY CORPORATION
- Sumiyo EJIMA
- G11 - INFORMATION STORAGE
Information Patent Application
Disc Signal Evaluation Apparatus and Disc Signal Evaluation Method
- Publication number 20080285404
- Publication date Nov 20, 2008
- SONY CORPORATION
- Sumiyo Ejima
- G11 - INFORMATION STORAGE