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Akihiko Fukuhara
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Chiba, JP
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last 30 patents
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Patent Grant
Compound roll for thin cold rolled steel strip and method of manufa...
Patent number
6,374,494
Issue date
Apr 23, 2002
Kawasaki Steel Corporation
Osamu Sonobe
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Apparatus for pre-processing stainless steel strip intended to be c...
Patent number
5,279,141
Issue date
Jan 18, 1994
Kawasaki Steel Corporation
Kazuhito Kenmochi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for pre-processing stainless steel strip intended to be cold...
Patent number
5,003,804
Issue date
Apr 2, 1991
Kawasaki Steel Corporation
Kazuhito Kenmochi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method and apparatus for preliminary treatment of stainless steel f...
Patent number
4,885,042
Issue date
Dec 5, 1989
Kawasaki Steel Corp.
Kazuhito Kenmochi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...