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Geun Chul Song
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Changwon City, KR
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last 30 patents
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Patent Grant
Non-copper-plated solid wire for carbon dioxide gas shielded arc we...
Patent number
6,989,510
Issue date
Jan 24, 2006
Kiswel Ltd.
Yukio Yamaoka
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Solid wire for arc welding
Patent number
6,906,286
Issue date
Jun 14, 2005
Kiswel Ltd.
Yamaoka Yukio
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
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Patent Application
SOLID WIRE FOR ARC WELDING
Publication number
20040050835
Publication date
Mar 18, 2004
KISWEL LTD.
Yamaoka Yukio
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Non-copper-plated solid wire for carbon dioxide gas shielded arc we...
Publication number
20030164360
Publication date
Sep 4, 2003
Yukio Yamaoka
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR