Mitsuo Yamada

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Shimodate, JP

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Patents Grantslast 30 patents

Information Patent Grant
Information recording medium having recording layer with organic po...
- Patent number 5,648,135
- Issue date Jul 15, 1997
- Hitachi Chemical Company, Ltd.
- Itsuo Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording medium having recording layer with organic po...
- Patent number 5,464,673
- Issue date Nov 7, 1995
- Hitachi Chemical Co., Ltd.
- Itsuo Watanabe
- G11 - INFORMATION STORAGE