Toshiaki Hodozuka

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Akita-Shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for enhanced purification of high-purity metals
- Patent number 6,932,852
- Issue date Aug 23, 2005
- Dowa Mining Co., Ltd.
- Kishio Tayama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Apparatus for enhanced purification of high-purity metals
- Patent number 6,805,833
- Issue date Oct 19, 2004
- Dowa Mining Co., Ltd.
- Kishio Tayama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for enhanced purification of high-purity metals
- Publication number 20040083854
- Publication date May 6, 2004
- DOWA MINING CO., LTD.
- Kishio Tayama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Apparatus for enhanced purification of high-purity metals
- Publication number 20030150293
- Publication date Aug 14, 2003
- DOWA MINING CO., LTD.
- Kishio Tayama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method and apparatus for enhanced purification of high-purity metals
- Publication number 20030145683
- Publication date Aug 7, 2003
- DOWA MINING CO., LTD.
- Kishio Tayama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...