Issued Patents 2003
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640515 | Frame member used in friction stir welding | Kinya Aota, Masakuni Ezumi, Yasuo Ishimaru, Hisanori Okamura, Isao Funyuu | 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, Isao Funyuu | 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, Isao Funyuu | 2003-09-02 |
| 6607837 | Structural body formed by friction stir welding method | Kinya Aota, Masakuni Ezumi, Yasuo Ishimaru, Hisanori Okamura, Isao Funyuu | 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, Isao Funyuu | 2003-07-01 |
| 6513698 | Method of manufacture of a structural body | Masakuni Ezumi, Kazusige Fukuyori | 2003-02-04 |
| 6502739 | Method of manufacture of a structural body | Masakuni Ezumi, Kazusige Fukuyori | 2003-01-07 |