Inventor
TAKATANI TORU
JP3 patents
Patents
3 patentsUS7005607B2Feb 28, 2006
Welding method, welding device, welded joint, and welded structure
HITACHI CONSTRUCTION MACHINERY20 citations91
US6596969B1Jul 22, 2003
Method for guiding arc by laser, and arc guiding welding and device by the method
HITACHI CONSTRUCTION MACHINERY16 citations82
US6534746B1Mar 18, 2003
Narrow gap welding method and welding apparatus
HITACHI CONSTRUCTION MACHINERY7 citations71