Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10099314 | Tool holder and machine tool | Kouichi Katoh, Masami Aihara, Atsushi Tada | 2018-10-16 |
| 10016838 | Friction stir welding tool | Kouichi Katoh, Masami Aihara, Atsushi Tada | 2018-07-10 |