Hiroshi Imagawa

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Tajimi, JP

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Patents Grantslast 30 patents

Information Patent Grant
DC electric arc melting apparatus
- Patent number 5,204,873
- Issue date Apr 20, 1993
- Daidotokushuko Kabushikikaisha
- Hiroshi Imagawa
- C21 - METALLURGY OF IRON
Information Patent Grant
Water-cooled furnace cover
- Patent number 4,182,610
- Issue date Jan 8, 1980
- Daidotokushuko Kabushikikaisha
- Susumu Mizuno
- F27 - FURNACES KILNS OVENS RETORTS