Harumasa Kurokawa

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Niihama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of separation/purification for high-purity silver chloride,...
- Patent number 7,601,200
- Issue date Oct 13, 2009
- Sumitomo Metal Mining Co., Ltd.
- Shinichi Heguri
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for mutual separation of platinum group metals
- Patent number 7,291,202
- Issue date Nov 6, 2007
- Sumitomo Metal Mining Co., Ltd.
- Satoshi Asano
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Method of separation/purification for high-purity silver chloride,...
- Publication number 20070022840
- Publication date Feb 1, 2007
- Sumitomo Metal Mining Co., Ltd.
- Shinichi Heguri
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Process for mutual separation of platinum group metals
- Publication number 20050066774
- Publication date Mar 31, 2005
- Sumitomo Metal Mining Co., Ltd.
- Satoshi Asano
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...