Kazuhisa Hamagami

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing ultra-low-carbon steel
- Patent number 5,221,326
- Issue date Jun 22, 1993
- Kawasaki Steel Corporation
- Koji Yamaguchi
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of producing ultra-low-carbon steel
- Patent number 5,152,831
- Issue date Oct 6, 1992
- Kawasaki Steel Corporation
- Koji Yamaguchi
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for detecting outflow of slag
- Patent number 5,028,033
- Issue date Jul 2, 1991
- Kawasaki Steel Corporation
- Nobuhiko Morioka
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for producing high cleanness extra low carbon steel
- Patent number 4,994,108
- Issue date Feb 19, 1991
- Kawasaki Steel Corporation
- Kazuhisa Hamagami
- C21 - METALLURGY OF IRON