Takeshi Koshikawa

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Tsukuba-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Carbon foam, graphite foam and production processes of these
- Patent number 6,689,336
- Issue date Feb 10, 2004
- Mitsubishi Gas Chemical Company, Inc.
- Koichi Kanno
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for producing benzoyl chlorides
- Patent number 5,872,291
- Issue date Feb 16, 1999
- Mitsubishi Gas Chemical Company, Inc.
- Takeshi Koshikawa
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Carbon foam, graphite foam and production processes of these
- Publication number 20020136680
- Publication date Sep 26, 2002
- Koichi Kanno
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES