Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4580205 | Current-type GTO inverter using GTO in its surge voltage clamping circuit | — | 1986-04-01 |
| 4567555 | Current-type GTO inverter with surge energy restoration | Hitoshi Hashimoto, Toshiaki Suzuki | 1986-01-28 |