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Mitsuo Hashimoto
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Kitakyushu, JP
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last 30 patents
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Patent Grant
Composite work roll for cold rolling
Patent number
6,206,814
Issue date
Mar 27, 2001
Nippon Steel Corporation
Taku Tanaka
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Patent Grant
Composite roll for rolling and process for producing the same
Patent number
5,419,973
Issue date
May 30, 1995
Nippon Steel Corporation
Mitsuo Hashimoto
B32 - LAYERED PRODUCTS