Yoshio Gobara

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Hatano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording medium
- Patent number 4,833,020
- Issue date May 23, 1989
- Hitachi, Ltd.
- Yoshihiro Shiroishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,786,553
- Issue date Nov 22, 1988
- Hitachi, Ltd.
- Yoshihiro Shiroishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium having an amorphous, nonmagnetic nickel-t...
- Patent number 4,735,853
- Issue date Apr 5, 1988
- Hitachi, Ltd.
- Hiroaki Okudaira
- G11 - INFORMATION STORAGE