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Shigetada Sugiyama
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Fukuoka-ken, JP
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last 30 patents
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Patent Grant
Roll for use in galvanizing pot
Patent number
8,210,999
Issue date
Jul 3, 2012
Hitachi Metals Ltd.
Shigeyuki Hamayoshi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Patent Application
Roll for use in galvanizing pot
Publication number
20070074657
Publication date
Apr 5, 2007
Shigeyuki Hamayoshi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...