Tsuyoshi Ootani

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Ichikaimachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording medium
- Patent number 4,786,551
- Issue date Nov 22, 1988
- Kao Corporation
- Tsuyoshi Ootani
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head comprised of an improved base substance for high dens...
- Patent number 4,642,720
- Issue date Feb 10, 1987
- Kao Corporation
- Nobuyuki Kishine
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium
- Patent number 4,501,795
- Issue date Feb 26, 1985
- Kao Corporation
- Takashi Takeuchi
- G11 - INFORMATION STORAGE