Tomohiro Hatanaka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Melting and holding furnace for aluminum blocks
- Patent number 6,549,558
- Issue date Apr 15, 2003
- Nippon Crucible Co., Ltd.
- Tamio Okada
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Continuous melting apparatus for low-melting point metal, improved...
- Patent number 5,810,907
- Issue date Sep 22, 1998
- Nippon Crucible Co., Ltd.
- Tamio Okada
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...