Katsuya Toda

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Oita-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process of preventing as elution from copper slag
- Patent number 7,998,240
- Issue date Aug 16, 2011
- Pan Pacific Copper Co., Ltd.
- Tetsuo Yamaki
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
PROCESS OF PREVENTING AS ELUTION FROM COPPER SLAG
- Publication number 20090223324
- Publication date Sep 10, 2009
- Tetsuo Yamaki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...