Sachie Shoji

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Miyagi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Retardation compensating plate to compensate residual retardation o...
- Patent number 8,018,557
- Issue date Sep 13, 2011
- Sony Corporation
- Yutaka Muramoto
- G02 - OPTICS
Information Patent Grant
Magnetic recording medium
- Patent number 7,303,829
- Issue date Dec 4, 2007
- Sony Corporation
- Kimio Takahashi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Retardation compensating plate, retardation compensator, liquid cry...
- Publication number 20060215091
- Publication date Sep 28, 2006
- Sony Corporation
- Yutaka Muramoto
- G02 - OPTICS
Information Patent Application
Magnetic recording medium
- Publication number 20040241499
- Publication date Dec 2, 2004
- Sony Corporation
- Kimio Takahashi
- G11 - INFORMATION STORAGE