Sakae Ohta

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Odawara, JP

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Patents Grantslast 30 patents

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Magnetic recording medium having a lubricant film consisting of a m...
- Patent number 5,162,163
- Issue date Nov 10, 1992
- Hitachi Ltd.
- Sakae Ohta
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording media for longitudinal recording
- Patent number 4,792,497
- Issue date Dec 20, 1988
- Hitachi, Ltd.
- Hiroyuki Suzuki
- G11 - INFORMATION STORAGE