Issued Patents All Time
Showing 25 most recent of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7665651 | Method of joining two members by friction stir welding | Kinya Aota, Tsuyoshi Takenaka | 2010-02-23 |
| 7562802 | Friction stir welding method and structure body formed | Kinya Aota, Tsuyoshi Takenaka | 2009-07-21 |
| 7520104 | Friction stir welding member | Kinya Aota, Tsuyoshi Takenaka | 2009-04-21 |
| 7513409 | Friction stir welding method and structure body | Kinya Aota, Tsuyoshi Takenaka | 2009-04-07 |
| 7416769 | Friction stir welding member | Kinya Aota, Tsuyoshi Takenaka | 2008-08-26 |
| 7413107 | Friction stir welding method and structure body | Kinya Aota, Tsuyoshi Takenaka | 2008-08-19 |
| 7287683 | Method of joining two members by friction stir welding | Kinya Aota, Tsuyoshi Takenaka | 2007-10-30 |
| 7178303 | Friction stir welding hollow frame member | Kinya Aota, Tsuyoshi Takenaka | 2007-02-20 |
| 7114304 | Friction stir welding member | Kinya Aota, Tsuyoshi Takenaka | 2006-10-03 |
| 7073701 | Method of joining two members by friction stir welding | Kinya Aota, Tsuyoshi Takenaka | 2006-07-11 |
| 7056594 | Friction stir welding method and structure body | Kinya Aota, Tsuyoshi Takenaka | 2006-06-06 |
| 7036707 | Friction stir welding method, frame members used therein, and product formed thereby | Kinya Aota, Masakuni Ezumi, Hisanori Okamura, Isao Funyuu, Akihiro Satou | 2006-05-02 |
| 7032804 | Friction stir welding method and structure body | Kinya Aota, Tsuyoshi Takenaka | 2006-04-25 |
| 7032805 | Manufacturing method of structure body and structure body formed | Kinya Aota, Tsuyoshi Takenaka | 2006-04-25 |
| 6983873 | Friction stir welding method and structure body formed | Kinya Aota, Tsuyoshi Takenaka | 2006-01-10 |
| 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 |
| 6722286 | Structure and railway car | Hisanori Okamura, Isao Funyuu, Akihiro Satou, Kinya Aota, Masakuni Ezumi | 2004-04-20 |
| 6716538 | Structural body formed by friction stir welding | Kinya Aota, Masakuni Ezumi, Hisanori Okamura, Isao Funyuu, Akihiro Satou | 2004-04-06 |
| 6640515 | Frame member used in friction stir welding | Kinya Aota, Masakuni Ezumi, Hisanori Okamura, Isao Funyuu, Akihiro Satou | 2003-11-04 |