Koji Nishikawa

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Taishi-cho, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ceramic sheet and process for producing the same
- Patent number 6,902,790
- Issue date Jun 7, 2005
- Nippon Shokubai Co., Ltd.
- Kazuo Hata
- B28 - WORKING CEMENT, CLAY, OR STONE