Kumi Tanaka

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Shiga, JP

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Patents Grantslast 30 patents

Information Patent Grant
Low temperature sealing composition with reduced SiO.sub.2 content but
- Patent number 5,643,840
- Issue date Jul 1, 1997
- Nippon Electric Glass Co., Ltd.
- Hajime Hikata
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Low temperature sealing composition
- Patent number 5,346,863
- Issue date Sep 13, 1994
- Nippon Electric Glass Co., Ltd.
- Hajime Hikata
- C03 - GLASS MINERAL OR SLAG WOOL