Keishin Takehara

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Alkali- and heat-resistant inorganic fiber
- Patent number 4,363,878
- Issue date Dec 14, 1982
- Nitto Boseki Co., Ltd.
- Osamu Yamamoto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Process for producing glass fiber-reinforced resin molded sheets
- Patent number 4,212,697
- Issue date Jul 15, 1980
- Nitto Boseki Co., Ltd.
- Osamu Yamamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...