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Shiga, JP
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Patents Grants
last 30 patents
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Patent Grant
High strength workpiece material and method and apparatus for produ...
Patent number
8,250,897
Issue date
Aug 28, 2012
Gohsyu Co., Ltd.
Shigeru Nishigori
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
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Patent Application
High strenght workpiece material and method and apparatus for produ...
Publication number
20100024512
Publication date
Feb 4, 2010
Shigeru Nishigori
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...