Shigenobu Yurugi

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Osaka, JP

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Patents Grantslast 30 patents

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...
Information Patent Grant
Process for treating waste water by wet oxidations
- Patent number 4,699,720
- Issue date Oct 13, 1987
- Osaka Gas Company Limited
- Yoshiaki Harada
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE