Inventor
FUNYUU ISAO
JP15 patents
⚠️ This page may combine multiple inventors who share the name “FUNYUU ISAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
14 patentsUS7036707B2May 2, 2006
Friction stir welding method, frame members used therein, and product formed thereby
HITACHI LTD76 citations99
US6305866B1Oct 23, 2001
Structure joined by friction stir welding
HITACHI LTD60 citations97
US6237829B1May 29, 2001
Friction stir welding apparatus
HITACHI LTD59 citations97
US6050474AApr 18, 2000
Friction stir welding method, frame members used therein, and product formed thereby
HITACHI LTD222 citations97
US6619534B2Sep 16, 2003
Friction stir welding method using members which overlap and have protrusion at the weld location prior to the welding
HITACHI LTD22 citations96
US6585443B2Jul 1, 2003
Structural body formed by friction stir welding two members, one of which has a protruding portion
HITACHI LTD22 citations96
US6419144B2Jul 16, 2002
Method of forming structural body using friction stir welding, and structural body formed
HITACHI LTD32 citations96
US6382498B2May 7, 2002
Friction stir welding method including positioning of rotary tool, and structural body formed thereby
HITACHI LTD37 citations96
US6378754B2Apr 30, 2002
Friction stir welding method including removal of protruding portion, and structural body formed thereby
HITACHI LTD32 citations96
US6936332B2Aug 30, 2005
Extruded frame member for use in friction stir welding
HITACHI LTD17 citations92
US6607837B2Aug 19, 2003
Structural body formed by friction stir welding method
HITACHI LTD15 citations92
US6722286B2Apr 20, 2004
Structure and railway car
HITACHI LTD18 citations84
US6640515B1Nov 4, 2003
Frame member used in friction stir welding
HITACHI LTD12 citations82
US6716538B2Apr 6, 2004
Structural body formed by friction stir welding
HITACHI LTD2 citations74