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Yasuhiro Shimamura
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Utsunomiya-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Mold for casting and method of surface treatment thereof
Patent number
7,600,556
Issue date
Oct 13, 2009
Honda Motor Co., Ltd.
Hiroaki Koyama
B22 - CASTING POWDER METALLURGY
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Patent Grant
Mold for casting and method for manufacture thereof
Patent number
7,497,243
Issue date
Mar 3, 2009
Honda Motor Co., Ltd.
Hiroaki Koyama
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
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Patent Application
Mold for casting and method of surface treatment thereof
Publication number
20060201650
Publication date
Sep 14, 2006
Hiroaki Koyama
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Mold for casting and method for manufacture thereof
Publication number
20060151139
Publication date
Jul 13, 2006
Hiroaki Koyama
B22 - CASTING POWDER METALLURGY