Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10710187 | Welding method and arc welding device | Hayato Baba, Tetsuo Era | 2020-07-14 |
| 10610947 | Power supply system and power supply device | Hirokazu Kawai, Songjie Hou, Haruhiko Manabe, Satoru Hata, Hiroyasu Mondori +2 more | 2020-04-07 |