Inventor
KUMAGAI MASAKI
JP17 patents
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SUMITOMO LIGHT METAL IND
10 patentsUS7654435B2Feb 2, 2010
Rotary tool for friction stir spot welding and method of friction stir spot welding using the same
SUMITOMO LIGHT METAL IND20 citations91
US5372663ADec 13, 1994
Powder processing of titanium aluminide having superior oxidation resistance
SUMITOMO LIGHT METAL IND29 citations89
US7800011B2Sep 21, 2010
MIG welded joint between aluminum and steel members and MIG welding process
SUMITOMO LIGHT METAL IND12 citations83
US5391854AFeb 21, 1995
Method of spot welding aluminum alloys
SUMITOMO LIGHT METAL IND8 citations72
US5451366ASep 19, 1995
Product of a halogen containing Ti-Al system intermetallic compound having a superior oxidation and wear resistance
SUMITOMO LIGHT METAL IND12 citations70
US5334814AAug 2, 1994
Electrode for spot welding
SUMITOMO LIGHT METAL IND13 citations69
US8028888B2Oct 4, 2011
Method of joining together end portions of superposed members
SUMITOMO LIGHT METAL IND5 citations62
US7810700B2Oct 12, 2010
Heat treating friction stir welded aluminum alloy members and joined product
SUMITOMO LIGHT METAL IND5 citations61
US6921010B2Jul 26, 2005
Method of joining together two planar members by friction stir welding, and tab plate used in the same method
SUMITOMO LIGHT METAL IND2 citations58
US6892928B2May 17, 2005
Method of manufacturing tubular body, by friction stir welding
SUMITOMO LIGHT METAL IND5 citations58