Hiroshi Miyagawa

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Ageo-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of recovering useful materials from spent secondary batterie...
- Patent number 5,795,673
- Issue date Aug 18, 1998
- Mitsui Mining & Smelting Co., Ltd.
- Hiroshi Miyagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of recovering useful materials from spent secondary batterie...
- Patent number 5,789,095
- Issue date Aug 4, 1998
- Mitsui Mining & Smelting Co., Ltd.
- Hiroshi Miyagawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Process and system for recovering valent metals from refuse seconda...
- Publication number 20030121366
- Publication date Jul 3, 2003
- Hironori Tateiwa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Process and system for recovering valent metals from refuse seconda...
- Publication number 20020124691
- Publication date Sep 12, 2002
- MITSUI MINING AND SMELTING CO., LTD
- Hironori Tateiwa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...