Michihiro Matsui

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Odawara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of and device for demagnetizing magnetic recording medium
- Patent number 5,053,893
- Issue date Oct 1, 1991
- Fuji Photo Film Co., Ltd.
- Youichi Hayata
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of and device for demagnetizing magnetic recording medium
- Patent number 4,956,728
- Issue date Sep 11, 1990
- Fuji Photo Film Co., Ltd.
- Youichi Hayata
- G11 - INFORMATION STORAGE