Isamu Hirano

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Alumina fiber aggregate, process for producing the same, and use th...
- Patent number 8,383,714
- Issue date Feb 26, 2013
- Denki Kagaku Kogyo Kabushiki Kaisha
- Yasutaka Ohshima
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Alumina fiber aggregate, process for producing the same, and use th...
- Patent number 8,273,816
- Issue date Sep 25, 2012
- Denki Kagaku Kogyo Kabushiki Kaisha
- Yasutaka Ohshima
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
ALUMINA FIBER AGGREGATE, PROCESS FOR PRODUCING THE SAME, AND USE TH...
- Publication number 20120318897
- Publication date Dec 20, 2012
- Denki Kagaku Kogyo Kabushiki Kaisha
- Yasutaka Ohshima
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
ALUMINA FIBER AGGREGATE, PROCESS FOR PRODUCING THE SAME, AND USE TH...
- Publication number 20100207054
- Publication date Aug 19, 2010
- Denki Kagaku Kogyo Kabushiki Kaisha
- Yasutaka Ohshima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...