Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7815094 | Method of manufacturing cylindrical body, and friction stir welding method | Shunsuke Sunahara, Haruo Machida, Tadashi Goto, Toshimasa Koshimizu, Hideo Nakamura +3 more | 2010-10-19 |
| 7556187 | Method of manufacturing cylindrical body, friction stir welding method, and friction stir welding device | Shunsuke Sunahara, Haruo Machida, Tadashi Goto, Toshimasa Koshimizu, Hideo Nakamura +3 more | 2009-07-07 |