Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7243471 | Friction stir welding method, and hollow shape member for friction stir welding | Masakuni Ezumi | 2007-07-17 |
| 7171735 | Shape member manufacturing apparatus and shape member manufacturing method | Osamu Okafuji, Koji Hamada, Takeshi Yano | 2007-02-06 |
| 7051916 | Friction stir welding method | Masakuni Ezumi, Akihiro Satou | 2006-05-30 |
| 6984455 | Friction stir welding method, and method for manufacturing car body | Masakuni Ezumi | 2006-01-10 |
| 6857555 | Method and apparatus for friction stir welding | Ryooji Ishida, Norihisa Okada | 2005-02-22 |
| 6793117 | Friction stir welding method, and hollow shape member for friction stir welding | Masakuni Ezumi | 2004-09-21 |
| 6786388 | Friction stir welding method | Masakuni Ezumi, Tsuyoshi Mizusaki | 2004-09-07 |
| 6783055 | Friction stir welding method and rotary tool | Masakuni Ezumi, Hisanori Okamura | 2004-08-31 |
| 6779705 | Friction stir welding method | Masakuni Ezumi, Tetsuya Matsunaga | 2004-08-24 |
| 6745929 | Method of manufacturing structural body and structural body | Masakuni Ezumi, Akihiro Satou | 2004-06-08 |
| 6722555 | Friction stir welding method | Masakuni Ezumi, Tsuyoshi Mizusaki | 2004-04-20 |
| 6705508 | Friction stir welding method, and method for manufacturing car body | Masakuni Ezumi | 2004-03-16 |
| 6698153 | Friction stir welding method, and hollow shape member for friction stir welding | Masakuni Ezumi | 2004-03-02 |
| 6659330 | Friction stir welding method, and method for manufacturing car body | Masakuni Ezumi | 2003-12-09 |
| 6622904 | Friction stir bonding method | Masakuni Ezumi | 2003-09-23 |
| 6582831 | Friction stir welded body and frame member therefor | Masakuni Ezumi, Tetsuya Matsunaga | 2003-06-24 |
| 6557746 | Friction stir bonding method | Masakuni Ezumi, Tetsuya Matsunaga | 2003-05-06 |
| 6536651 | Friction stir welding method | Masakuni Ezumi | 2003-03-25 |
| 6530513 | Friction stir welding method, and method for manufacturing car body | Masakuni Ezumi | 2003-03-11 |
| 6354483 | Friction stir welding method | Masakuni Ezumi, Tetsuya Matsunaga | 2002-03-12 |