Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849950 | Device for reducing the leakage noise of a power converter | Hiroaki Sugiura, Yuichi Ide | 1989-07-18 |
| 4825351 | AC-DC converting apparatus having power factor improving circuit utilizing a photocoupler | — | 1989-04-25 |
| 4807103 | Apparatus for controlling a PWM controlled inverter | — | 1989-02-21 |