Masanobu Wakasa

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Wakayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording apparatus having reduced friction sliding parts
- Patent number 5,162,962
- Issue date Nov 10, 1992
- Kao Corporation
- Michihide Yamauchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Glasslike carbon composite material and method of preparing the same
- Patent number 4,958,998
- Issue date Sep 25, 1990
- Kao Corporation
- Michihide Yamauchi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Glass-like carbon material, method for manufacturing the same, and...
- Patent number 4,774,140
- Issue date Sep 27, 1988
- Kao Corporation
- Masanobu Wakasa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES