Kengo Hamada

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Formed thermal insulator and process for preparation of same
- Patent number 5,242,723
- Issue date Sep 7, 1993
- Osaka Gas Company, Ltd.
- Hirofumi Kyutoku
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Carbonaceous ceramic composite for use in contact with molten nonfe...
- Patent number 5,135,893
- Issue date Aug 4, 1992
- Osaka Gas Company Limited
- Shoji Dohi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...