ME

Masakuni Ezumi

HI Hitachi: 15 patents #3 of 3,771Top 1%
Overall (2004): #499 of 270,089Top 1%
15
Patents 2004

Issued Patents 2004

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
6793117 Friction stir welding method, and hollow shape member for friction stir welding Kazushige Fukuyori 2004-09-21
6786388 Friction stir welding method Kazushige Fukuyori, Tsuyoshi Mizusaki 2004-09-07
6783055 Friction stir welding method and rotary tool Kazushige Fukuyori, Hisanori Okamura 2004-08-31
6779706 Frame member for friction stir welding Kazusige Fukuyori, Yoshihiko Ina, Tetsuya Matsunaga 2004-08-24
6779705 Friction stir welding method Kazushige Fukuyori, Tetsuya Matsunaga 2004-08-24
6777107 Structural body formed by friction stir welding Akihiro Satou, Kazusige Fukuyori 2004-08-17
6745929 Method of manufacturing structural body and structural body Akihiro Satou, Kazushige Fukuyori 2004-06-08
6733900 Car body formed by friction stir welding Akihiro Satou, Kazusige Fukuyori 2004-05-11
6722286 Structure and railway car Hisanori Okamura, Isao Funyuu, Akihiro Satou, Kinya Aota, Yasuo Ishimaru 2004-04-20
6722555 Friction stir welding method Kazushige Fukuyori, Tsuyoshi Mizusaki 2004-04-20
6719184 Nondestructive inspection method Ryooji Ishida, Tsuyoshi Fujii, Masami Ogata 2004-04-13
6716538 Structural body formed by friction stir welding Kinya Aota, Yasuo Ishimaru, Hisanori Okamura, Isao Funyuu, Akihiro Satou 2004-04-06
6705508 Friction stir welding method, and method for manufacturing car body Kazushige Fukuyori 2004-03-16
6698153 Friction stir welding method, and hollow shape member for friction stir welding Kazushige Fukuyori 2004-03-02
6691484 Hollow extruded frame member for friction stir welding and structure body formed therefrom Akihiro Satou, Kazusige Fukuyori, Takeshi Kawasaki 2004-02-17