Hiroyuki Ikemiya

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing molten pig iron
- Patent number 5,084,093
- Issue date Jan 28, 1992
- Sumitomo Metal Industries, Ltd.
- Hideyuki Yamaoka
- C21 - METALLURGY OF IRON
Information Patent Grant
Lining apparatus provided with a foldable spray pipe
- Patent number 4,570,909
- Issue date Feb 18, 1986
- Sumitomo Metal Industries, Ltd.
- Nobuyoshi Hiroki
- C21 - METALLURGY OF IRON