Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9975200 | Friction stir welding apparatus with an L-shaped support | Syuhei YOSHIKAWA, Mitsuhiro Kamioka, Shirou Honma, Toshiyuki Hirashima, Kenji Waki | 2018-05-22 |
| 8113133 | Dissimilar joint structure, tank skirt including dissimilar joint structure, transport ship including tank skirt, and method for joining dissimilar metal members | Yukichi Takaoka, Noriko Omichi, Mitsuo Fujimoto | 2012-02-14 |
| 7896216 | Sticking pad, friction stir welding machine and friction stir welding system | Mitsuo Fujimoto | 2011-03-01 |
| 7748592 | Friction stir welding device | Shinji Koga, Masayuki Inuzuka, Yasuo Otsuki, Katsumi Nakashima, Goro Nishiyama +2 more | 2010-07-06 |
| 7290695 | Friction stir welding apparatus | Shinji Koga, Masayuki Inuzuka, Mitsuo Fujimoto, Yuzo Kano | 2007-11-06 |