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Norihiro Uchida
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Osaka, JP
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Patents Grants
last 30 patents
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Patent Grant
Spring manufacturing apparatus
Patent number
8,302,443
Issue date
Nov 6, 2012
Shinko Machinery Co., Ltd.
Katsuhide Tsuritani
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
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Patent Application
Spring manufacturing apparatus
Publication number
20080314110
Publication date
Dec 25, 2008
SHINKO MACHINERY CO., LTD.
Katsuhide Tsuritani
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...