Masanobu Umezawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Manufacturing a silicon carbide fiber reinforced glass composite us...
- Patent number 4,769,195
- Issue date Sep 6, 1988
- Nippon Carbon Co. Ltd.
- Toshikatsu Ishikawa
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for manufacturing a silicon carbide fiber reinforced glass c...
- Patent number 4,717,589
- Issue date Jan 5, 1988
- Nippon Carbon Co. Ltd.
- Toshikatsu Ishikawa
- C03 - GLASS MINERAL OR SLAG WOOL