Kouhei Imanishi

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing spheroidal graphite cast iron article
- Patent number 5,876,523
- Issue date Mar 2, 1999
- Hitachi Metals, Ltd.
- Hideaki Nagayoshi
- C21 - METALLURGY OF IRON
Information Patent Grant
Spheroidal graphite cast iron member having improved mechanical str...
- Patent number 5,346,561
- Issue date Sep 13, 1994
- Hitachi Metals, Ltd.
- Fumio Obata
- C21 - METALLURGY OF IRON