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Akira Osumi
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Kakogawa-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Bent-forming method
Patent number
7,213,437
Issue date
May 8, 2007
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Akira Osumi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
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Patent Application
Bent-forming method
Publication number
20050262917
Publication date
Dec 1, 2005
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Akira Osumi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...