Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6382498 | Friction stir welding method including positioning of rotary tool, and structural body formed thereby | Kinya Aota, Masakuni Ezumi, Yasuo Ishimaru, Hisanori Okamura, Isao Funyuu | 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, Isao Funyuu | 2002-04-30 |
| 6325274 | Method of manufacture of a structural body | Masakuni Ezumi, Kazusige Fukuyori | 2001-12-04 |
| 6315187 | Friction stir welding method | Masakuni Ezumi, Kazusige Fukuyori | 2001-11-13 |
| 6311889 | Manufacturing method of a structure body and a manufacturing apparatus of a structure body | Masakuni Ezumi, Kazusige Fukuyori | 2001-11-06 |
| 6305866 | Structure joined by friction stir welding | Kinya Aota, Masakuni Ezumi, Yasuo Ishimaru, Hisanori Okamura, Isao Funyuu | 2001-10-23 |
| 6273323 | Manufacturing method of a structural body | Masakuni Ezumi, Kazusige Fukuyori | 2001-08-14 |
| 6250037 | Structure body and hollow shape extruded frame member | Masakuni Ezumi, Kazusige Fukuyori, Takeshi Kawasaki | 2001-06-26 |
| 6237829 | Friction stir welding apparatus | Kinya Aota, Masakuni Ezumi, Yasuo Ishimaru, Hisanori Okamura, Isao Funyuu | 2001-05-29 |