Yoshihiro Moriguchi

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Hiratsuka, JP

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Patents Grantslast 30 patents

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Magnetic disk having CSS area with concave and convex portions and...
- Patent number 5,930,091
- Issue date Jul 27, 1999
- Hitachi, Ltd.
- Masahiko Ono
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium comprising a protective layer having spec...
- Patent number 5,773,124
- Issue date Jun 30, 1998
- Hitachi, Ltd.
- Fuminori Ishikawa
- G11 - INFORMATION STORAGE
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Magnetic recording medium and process for producing same
- Patent number 5,690,838
- Issue date Nov 25, 1997
- Hitachi, Ltd.
- Yoshihiro Moriguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk, method of manufacturing the same and magnetic disk a...
- Patent number 5,656,349
- Issue date Aug 12, 1997
- Hitachi, Ltd.
- Kenichi Gomi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk manufacturing method
- Patent number 5,411,630
- Issue date May 2, 1995
- Hitachi, Ltd.
- Norikazu Nagase
- G11 - INFORMATION STORAGE