Hiroshi Samejima

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Ichihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Furnace for cooling molten glass
- Patent number 4,778,509
- Issue date Oct 18, 1988
- Nippo Sheet Glass Co., Ltd.
- Hiroshi Samejima
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of cooling molten glass
- Patent number 4,652,293
- Issue date Mar 24, 1987
- Nippon Sheet Glass Co., Ltd.
- Hiroshi Samejima
- C03 - GLASS MINERAL OR SLAG WOOL