Sumifusa Iwamaru

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Himeji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for preheating steel scrap by exhaust gas from steelmaking e...
- Patent number 4,375,958
- Issue date Mar 8, 1983
- Nippon Kokan Kabushiki Kaisha
- Takasaburo Date
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Apparatus for preheating a steel scrap
- Patent number 4,373,911
- Issue date Feb 15, 1983
- Nippon Kokan Kabushiki Kaisha
- Takasaburo Date
- C21 - METALLURGY OF IRON