Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7748592 | Friction stir welding device | Shinji Koga, Hidehito Nishida, Yasuo Otsuki, Katsumi Nakashima, Goro Nishiyama +2 more | 2010-07-06 |
| 7703659 | Friction stir joining apparatus | Hajime Kashiki, Yasuhide Nagao, Takehiro Hyoue | 2010-04-27 |
| 7677427 | Welding tool for friction-stir welding apparatus | Kazumi Fukuhara, Mitsuo Fujimoto, Ryoji Ohashi | 2010-03-16 |
| 7665650 | Friction stir joining method | Hajime Kashiki, Yasuhide Nagao, Takehiro Hyoue | 2010-02-23 |
| 7290695 | Friction stir welding apparatus | Shinji Koga, Mitsuo Fujimoto, Hidehito Nishida, Yuzo Kano | 2007-11-06 |
| 6832713 | Spot joining method and spot joining device | Yuzo Kano, Seiichiro Yamashita, Yasumasa Nakashima, Yasuhide Nagao, Tomoyuki Iwashita | 2004-12-21 |
| 5594301 | Electron tube including aluminum seal ring | Toshihiko Sawai, Toyohiko Terada | 1997-01-14 |