Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10807180 | Arc welding method and arc welding device | Atsuhiro Kawamoto, Kaito Matsui, Masaru Kowa, Masashi Fujiwara | 2020-10-20 |
| 10537953 | Arc welding control method and arc welding apparatus | Kaito Matsui, Atsuhiro Kawamoto, Masaru Kowa | 2020-01-21 |