ME

Masakuni Ezumi

HI Hitachi: 61 patents #158 of 28,497Top 1%
Overall (All Time): #37,090 of 4,157,543Top 1%
62
Patents All Time

Issued Patents All Time

Showing 51–62 of 62 patents

Patent #TitleCo-InventorsDate
6325274 Method of manufacture of a structural body Kazusige Fukuyori, Akihiro Satou 2001-12-04
6321975 Manufacturing method of a structure body Takeshi Kawasaki, Yoshihiko Ina 2001-11-27
6315187 Friction stir welding method Akihiro Satou, Kazusige Fukuyori 2001-11-13
6311889 Manufacturing method of a structure body and a manufacturing apparatus of a structure body Kazusige Fukuyori, Akihiro Satou 2001-11-06
6305866 Structure joined by friction stir welding Kinya Aota, Yasuo Ishimaru, Hisanori Okamura, Isao Funyuu, Akihiro Satou 2001-10-23
6299050 Friction stir welding apparatus and method Hisanori Okamura, Masahiko Sakamoto, Kinya Aota, Isao Funyu, Kouichi Watanabe +2 more 2001-10-09
6290117 Friction stir welding method and friction stir welding apparatus Takeshi Kawasaki, Toshiaki Sagawa 2001-09-18
6273323 Manufacturing method of a structural body Kazusige Fukuyori, Akihiro Satou 2001-08-14
6250037 Structure body and hollow shape extruded frame member Akihiro Satou, Kazusige Fukuyori, Takeshi Kawasaki 2001-06-26
6237829 Friction stir welding apparatus Kinya Aota, Yasuo Ishimaru, Hisanori Okamura, Isao Funyuu, Akihiro Satou 2001-05-29
6193137 Constructive body and friction stir welding method Kinya Aota, Yasuo Ishimaru, Takeshi Kawasaki 2001-02-27
6050474 Friction stir welding method, frame members used therein, and product formed thereby Kinya Aota, Yasuo Ishimaru, Hisanori Okamura, Isao Funyuu, Akihiro Satuo 2000-04-18