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Kiyoyuki Fukui
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Amagasaki-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Butt welding device and butt welding method
Patent number
7,423,233
Issue date
Sep 9, 2008
Sumitomo Metal Industries, Ltd.
Yutaka Miyamoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Butt welding apparatus, butt welding method, and butt welded product
Patent number
7,307,235
Issue date
Dec 11, 2007
Kikuchi Co., Ltd.
Yutaka Miyamoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
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Patent Application
Butt welding device and butt welding method
Publication number
20060151441
Publication date
Jul 13, 2006
Yutaka Miyamoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Butt welding apparatus, butt welding method, and butt welded product
Publication number
20060124604
Publication date
Jun 15, 2006
Kikuchi Co., Ltd
Yutaka Miyamoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Butt welder and butt welding method and butt welded product
Publication number
20050011864
Publication date
Jan 20, 2005
Yutaka Miyamoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR