Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9821419 | Method for manufacturing heat exchanger plate and method for friction stir welding | Nobushiro Seo | 2017-11-21 |
| 9566661 | Friction stir welding method | Nobushiro Seo | 2017-02-14 |