Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5220151 | Power source apparatus for an alternating-current arc welding capable of supplying an alternating-current welding current having any waveform | Kikuo Terayama, Hirokazu Ioroi, Hiroyuki Ishii | 1993-06-15 |
| 5200887 | Power supply unit for arc processing | Hirokazu Ioroi, Yoshihiro Fukuju, Masahi Horii, Kikuo Terayama | 1993-04-06 |