Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8025200 | Friction stir welding machine and friction stir welding tool | Mitsuo Fujimoto, Shinji Koga, Atsushi Kato | 2011-09-27 |
RO
Ryoji Ohashi
Overall (2011): #175,978 of 364,097Top 50%
1
Patents 2011