Kyoji Okabe

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Methods for melting and refining a powdery ore containing metal oxides
- Patent number 4,874,427
- Issue date Oct 17, 1989
- Kawasaki Steel Corporation
- Takao Hamada
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for blast furnace operation
- Patent number 4,466,825
- Issue date Aug 21, 1984
- Kawasaki Steel Corporaton
- Mikio Kondo
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing Fe-B molten metal
- Patent number 4,397,691
- Issue date Aug 9, 1983
- Kawasaki Steel Corporation
- Takao Hamada
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of operating a blast furnace
- Patent number 4,248,625
- Issue date Feb 3, 1981
- Kawasaki Steel Corporation
- Sakae Tamura
- C21 - METALLURGY OF IRON