Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645741 | ARC processing apparatus comprising driving means for controlling output transistor so that output voltage becomes predetermined no-load voltage | Ichiro Umezawa, Satoru Yamaguchi, Hitosige Nakamura | 1997-07-08 |