YI

Yasuo Ishimaru

HI Hitachi: 7 patents #37 of 3,189Top 2%
Overall (2005): #2,345 of 245,428Top 1%
7
Patents 2005

Issued Patents 2005

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6978923 Friction stir welding method Kinya Aota, Tsuyoshi Takenaka 2005-12-27
6966481 Friction stir welding method Kinya Aota, Tsuyoshi Takenaka 2005-11-22
6953144 Friction stir wilding method and structure body Kinya Aota, Tsuyoshi Takenaka 2005-10-11
6946206 Friction stir welding method and structure body Kinya Aota, Tsuyoshi Takenaka 2005-09-20
6936332 Extruded frame member for use in friction stir welding Kinya Aota, Masakuni Ezumi, Hisanori Okamura, Isao Funyuu, Akihiro Satou 2005-08-30
6862860 Friction stir welding method of opposite sides of panels Kinya Aota, Tsuyoshi Takenaka 2005-03-08
6840426 Friction stir welding method and structure body formed by friction stir welding Kinya Aota, Tsuyoshi Takenaka 2005-01-11