Inventor
MATSUNAGA TETSUYA
JP9 patents
⚠️ This page may combine multiple inventors who share the name “MATSUNAGA TETSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
8 patentsUS6474533B1Nov 5, 2002
Friction stir welding method
HITACHI LTD35 citations92
US6354483B1Mar 12, 2002
Friction stir welding method
HITACHI LTD31 citations92
US6582831B2Jun 24, 2003
Friction stir welded body and frame member therefor
HITACHI LTD14 citations83
US6557746B2May 6, 2003
Friction stir bonding method
HITACHI LTD17 citations83
US6779706B2Aug 24, 2004
Frame member for friction stir welding
HITACHI LTD5 citations73
US6779705B2Aug 24, 2004
Friction stir welding method
HITACHI LTD2 citations62
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