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Tetsuya Fukuba
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Ibaraki, JP
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Patents Grants
last 30 patents
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Patent Grant
Method and device for manufacturing UOE steel pipes
Patent number
7,231,792
Issue date
Jun 19, 2007
Sumitomo Metal Industries, Ltd.
Hidenori Shitamoto
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of producing steel pipes, and welded pipes
Patent number
6,948,649
Issue date
Sep 27, 2005
Sumitomo Metal Industries, Ltd.
Nobuaki Takahashi
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
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Patent Application
UOE STEEL PIPE AND A METHOD FOR ITS MANUFACTURE
Publication number
20100129680
Publication date
May 27, 2010
Tetsuya Fukuba
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Application
Steel plate for submerged arc welding
Publication number
20090022619
Publication date
Jan 22, 2009
Masahiko Hamada
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Method and device for manufacturing UOE steel pipes
Publication number
20060236737
Publication date
Oct 26, 2006
Hidenori Shitamoto
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method of producing steel pipes, and welded pipes
Publication number
20030062402
Publication date
Apr 3, 2003
Nobuaki Takahashi
C21 - METALLURGY OF IRON