Shoji Iwaoka

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Patents Grantslast 30 patents

Information Patent Grant
Method for blowing gas from below into molten steel in refining vessel
- Patent number 4,266,970
- Issue date May 12, 1981
- Kawasaki Steel Corporation
- Shoji Iwaoka
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for producing high chromium steels having extremely low carb...
- Patent number 4,170,467
- Issue date Oct 9, 1979
- Kawasaki Steel Corporation
- Hiroyuki Kaito
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing alloy steels having a high chromium content an...
- Patent number 4,168,158
- Issue date Sep 18, 1979
- Kawasaki Steel Corporation
- Shoji Iwaoka
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of denitriding a high chromium molten steel with a minimum c...
- Patent number 4,154,602
- Issue date May 15, 1979
- Kawasaki Steel Corporation
- Hiroyuki Kaito
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of producing alloy steels having an extremely low carbon con...
- Patent number 4,154,603
- Issue date May 15, 1979
- Kawasaki Steel Corporation
- Yukio Oguchi
- C21 - METALLURGY OF IRON