Masayuki Nakao

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Kumagaya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording medium
- Patent number 4,774,130
- Issue date Sep 27, 1988
- Hitachi Metals, Ltd.
- Juro Endo
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for manufacturing magnetic recording medium
- Patent number 4,663,193
- Issue date May 5, 1987
- Hitachi Metals, Ltd.
- Juro Endo
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a magnetic media
- Patent number 4,645,690
- Issue date Feb 24, 1987
- Hitachi Metals, Ltd.
- Shiro Murakami
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...