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Tsubame-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Circular-shaped metal structure, method of fabricating the same, an...
Patent number
7,963,016
Issue date
Jun 21, 2011
K.K. Endo Seisakusho
Youji Ito
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Circular-shaped metal structure and method of fabricating the same
Patent number
7,229,398
Issue date
Jun 12, 2007
DYMCO Limited
Masaru Sakuma
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Circular-shaped metal structure
Patent number
6,898,397
Issue date
May 24, 2005
K.K. Endo Seisakusho
Masaru Sakuma
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Circular-shaped metal structure, method of fabricating the same, an...
Patent number
6,561,001
Issue date
May 13, 2003
K.K. Endo Seisakusho
Masaru Sakuma
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
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Patent Application
CIRCULAR-SHAPED METAL STRUCTURE, METHOD OF FABRICATING THE SAME, AN...
Publication number
20070186402
Publication date
Aug 16, 2007
Youji ITO
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Circular-shaped metal structure and method of fabricating the same
Publication number
20040098855
Publication date
May 27, 2004
Dymco Limited
Masaru Sakuma
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Circular-shaped metal structure, method of fabricating the same, an...
Publication number
20030177802
Publication date
Sep 25, 2003
K.K. Endo Seisakusho
Youji Ito
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Circular-shaped metal structure, method of fabricating the same, an...
Publication number
20020104351
Publication date
Aug 8, 2002
Masaru Sakuma
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Circular-shaped metal structure, method of fabricating the same, an...
Publication number
20010007846
Publication date
Jul 12, 2001
DYMCO LIMITED and K.K. ENDO SEISAKUSHO
Masaru Sakuma
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...