Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11524353 | Method of arc welding | — | 2022-12-13 |
| 11491570 | Arc welding method | Tetsuo Era, Shugo Hirota, Toshiaki Nakamata | 2022-11-08 |
| 11491571 | Arc welding method | Tetsuo Era, Shugo Hirota, Toshiaki Nakamata | 2022-11-08 |