Issued Patents 2003
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640515 | Frame member used in friction stir welding | Masakuni Ezumi, Yasuo Ishimaru, Hisanori Okamura, Isao Funyuu, 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 | Masakuni Ezumi, Yasuo Ishimaru, Hisanori Okamura, Isao Funyuu, Akihiro Satou | 2003-09-16 |
| 6613447 | Structural body formed by friction stir welding and having protrusion at the weld provided prior to the welding | Masakuni Ezumi, Yasuo Ishimaru, Hisanori Okamura, Isao Funyuu, Akihiro Satou | 2003-09-02 |
| 6607837 | Structural body formed by friction stir welding method | Masakuni Ezumi, Yasuo Ishimaru, Hisanori Okamura, Isao Funyuu, Akihiro Satou | 2003-08-19 |
| 6595403 | Friction stir welding method | Hisanori Okamura, Masahiko Sakamoto, Isao Funyu, Kouichi Watanabe, Akihiro Sato +2 more | 2003-07-22 |
| 6585443 | Structural body formed by friction stir welding two members, one of which has a protruding portion | Masakuni Ezumi, Yasuo Ishimaru, Hisanori Okamura, Isao Funyuu, Akihiro Satou | 2003-07-01 |
| 6581819 | Panel structure, a friction stir welding method, and a panel | Tsuyoshi Takenaka, Yasuo Ishimaru | 2003-06-24 |
| 6540128 | Friction stir welding method and apparatus, and welded structure | Satoshi Hirano, Hisanori Okamura, Yasuhisa Aono, Kazutaka Okamoto, Tomio Odakura +1 more | 2003-04-01 |
| 6533493 | Structural body | Masakuni Ezumi, Yasuo Ishimaru, Takeshi Kawasaki | 2003-03-18 |
| 6530713 | Structural body | Masakuni Ezumi, Yasuo Ishimaru, Takeshi Kawasaki | 2003-03-11 |
| 6527470 | Structural body and friction stir welding method | Masakuni Ezumi, Yasuo Ishimaru, Takeshi Kawasaki | 2003-03-04 |