Inventor
INA YOSHIHIKO
JP8 patents
Patents
8 patentsUS6712007B2Mar 30, 2004
Railway car
HITACHI LTD35 citations92
US6599641B1Jul 29, 2003
Structural body formed by friction stir welding of hollow extruded frame members
HITACHI LTD31 citations92
US6474533B1Nov 5, 2002
Friction stir welding method
HITACHI LTD35 citations92
US6321975B1Nov 27, 2001
Manufacturing method of a structure body
HITACHI LTD36 citations92
US6886474B2May 3, 2005
Railway car
HITACHI LTD8 citations73
US6779706B2Aug 24, 2004
Frame member for friction stir welding
HITACHI LTD5 citations73
US6446562B1Sep 10, 2002
Car body
HITACHI LTD9 citations70
US7107669B2Sep 19, 2006
System for mounting an underfloor electronic equipment
HITACHI LTD3 citations54