IF

Isao Funyuu

HI Hitachi: 14 patents #2,889 of 28,497Top 15%
Overall (All Time): #326,987 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7036707 Friction stir welding method, frame members used therein, and product formed thereby Kinya Aota, Masakuni Ezumi, Yasuo Ishimaru, Hisanori Okamura, Akihiro Satou 2006-05-02
6936332 Extruded frame member for use in friction stir welding Kinya Aota, Masakuni Ezumi, Yasuo Ishimaru, Hisanori Okamura, Akihiro Satou 2005-08-30
6722286 Structure and railway car Hisanori Okamura, Akihiro Satou, Kinya Aota, Masakuni Ezumi, Yasuo Ishimaru 2004-04-20
6716538 Structural body formed by friction stir welding Kinya Aota, Masakuni Ezumi, Yasuo Ishimaru, Hisanori Okamura, Akihiro Satou 2004-04-06
6640515 Frame member used in friction stir welding Kinya Aota, Masakuni Ezumi, Yasuo Ishimaru, Hisanori Okamura, Akihiro Satou 2003-11-04
6619534 Friction stir welding method using members which overlap and have protrusion at the weld location prior to the welding Kinya Aota, Masakuni Ezumi, Yasuo Ishimaru, Hisanori Okamura, Akihiro Satou 2003-09-16
6613447 Structural body formed by friction stir welding and having protrusion at the weld provided prior to the welding Kinya Aota, Masakuni Ezumi, Yasuo Ishimaru, Hisanori Okamura, Akihiro Satou 2003-09-02
6607837 Structural body formed by friction stir welding method Kinya Aota, Masakuni Ezumi, Yasuo Ishimaru, Hisanori Okamura, Akihiro Satou 2003-08-19
6585443 Structural body formed by friction stir welding two members, one of which has a protruding portion Kinya Aota, Masakuni Ezumi, Yasuo Ishimaru, Hisanori Okamura, Akihiro Satou 2003-07-01
6419144 Method of forming structural body using friction stir welding, and structural body formed Kinya Aota, Masakuni Ezumi, Yasuo Ishimaru, Hisanori Okamura, Akihiro Satou 2002-07-16
6382498 Friction stir welding method including positioning of rotary tool, and structural body formed thereby Kinya Aota, Masakuni Ezumi, Yasuo Ishimaru, Hisanori Okamura, Akihiro Satou 2002-05-07
6378754 Friction stir welding method including removal of protruding portion, and structural body formed thereby Kinya Aota, Masakuni Ezumi, Yasuo Ishimaru, Hisanori Okamura, Akihiro Satou 2002-04-30
6305866 Structure joined by friction stir welding Kinya Aota, Masakuni Ezumi, Yasuo Ishimaru, Hisanori Okamura, Akihiro Satou 2001-10-23
6237829 Friction stir welding apparatus Kinya Aota, Masakuni Ezumi, Yasuo Ishimaru, Hisanori Okamura, Akihiro Satou 2001-05-29
6050474 Friction stir welding method, frame members used therein, and product formed thereby Kinya Aota, Masakuni Ezumi, Yasuo Ishimaru, Hisanori Okamura, Akihiro Satuo 2000-04-18