Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11298770 | Arc welding method and arc welding device | Junji Fujiwara | 2022-04-12 |
| 11267064 | Arc welding control method | Shigeki Yonemori, Atsuhiro Kawamoto, Junji Fujiwara, Noriyuki Matsuoka | 2022-03-08 |