Inventor
SAGAWA TOSHIAKI
JP10 patents
Patents
10 patentsUS6290117B1Sep 18, 2001
Friction stir welding method and friction stir welding apparatus
HITACHI LTD57 citations96
US6532712B2Mar 18, 2003
Structural body and method of manufacture thereof
HITACHI LTD19 citations92
US6461072B2Oct 8, 2002
Structure body for use in friction stir welding
HITACHI LTD20 citations92
US6413610B1Jul 2, 2002
Structure body and a manufacturing method of a structure body
HITACHI LTD43 citations92
US6386425B2May 14, 2002
Method of friction stir welding structural body, structural body, and extruded material
HITACHI LTD21 citations92
US6378264B1Apr 30, 2002
Structure body and method of manufacture thereof
HITACHI LTD42 citations92
US6276591B1Aug 21, 2001
Friction stir joining method
HITACHI LTD38 citations92
US4527125AJul 2, 1985
Flame detecting apparatus
HITACHI LTD23 citations81
US6568872B2May 27, 2003
Connection member for friction stir welding
HITACHI LTD4 citations63
US6722285B2Apr 20, 2004
Railway car
HITACHI LTD6 citations62