Koichi Ayama

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Minamata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for production of polyorganosiloxane
- Patent number 6,107,505
- Issue date Aug 22, 2000
- Chisso Corporation
- Kazuhiro Yoshida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ester group-containing siloxane compound, and its preparation method
- Patent number 6,107,504
- Issue date Aug 22, 2000
- Chisso Corporation
- Yuuichi Yamamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyurethane coating resin composition
- Patent number 5,952,444
- Issue date Sep 14, 1999
- Chisso Corporation
- Koichi Ayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Fluorine-containing siloxane compound and process for production th...
- Patent number 5,831,110
- Issue date Nov 3, 1998
- Chisso Corporation
- Yuichi Isoda
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
New polysilazane and process for production of the same
- Patent number 4,937,304
- Issue date Jun 26, 1990
- Chisso Corporation
- Koichi Ayama
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES