Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11883912 | Welding power supply device | Chikanori Takami, Hikaru Mizushima | 2024-01-30 |
| 11305367 | Non-consumable electrode arc-welding method | Michitaka Todo, Masatoshi Ooie, Toshiyuki Tanaka | 2022-04-19 |
| 5645741 | ARC processing apparatus comprising driving means for controlling output transistor so that output voltage becomes predetermined no-load voltage | Kikuo Terayama, Satoru Yamaguchi, Hitosige Nakamura | 1997-07-08 |