Katsuyoshi Chiba

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Hachioji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing a rigid magnetic disk by longitudinally gener...
- Patent number 5,180,608
- Issue date Jan 19, 1993
- Hitachi, Ltd.
- Katsuyoshi Chiba
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for magnetic orientation of magnetic recording medium using...
- Patent number 5,034,243
- Issue date Jul 23, 1991
- Hitachi, Ltd.
- Katsuyoshi Chiba
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic coated recording medium and method of manfacturing the same
- Patent number 5,028,496
- Issue date Jul 2, 1991
- Hitachi, Ltd.
- Yasutaro Uesaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Coating method
- Patent number 4,353,937
- Issue date Oct 12, 1982
- Hitachi, Ltd.
- Katsuyoshi Chiba
- G11 - INFORMATION STORAGE
Information Patent Grant
Composition of magnetic recording media
- Patent number 4,238,341
- Issue date Dec 9, 1980
- Hitachi, Ltd.
- Yoshiki Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a paint composite for magnetic films
- Patent number 4,229,312
- Issue date Oct 21, 1980
- Hitachi, Ltd.
- Waichi Nagashiro
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for the preparation of magnetic recording medium
- Patent number 4,189,508
- Issue date Feb 19, 1980
- Hitachi, Ltd.
- Katsuyoshi Chiba
- G11 - INFORMATION STORAGE