Inventor
SHIGEYAMA MASAAKI
JP3 patents
Patents
3 patentsUS6651567B2Nov 25, 2003
Railway car
HITACHI LTD7 citations71
US7121450B2Oct 17, 2006
Friction stir welding method and group of shape members for friction stir welding
HITACHI LTD2 citations59
US7601432B2Oct 13, 2009
Friction stir welding method and group of shape members for friction stir welding
HITACHI LTD0 citations49