Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806839 | Device for energizing a hermetic motor using inverter | Hiroshi Hujii, Osamu Matsumoto, Katsuhiko Saito | 1989-02-21 |
| 4802077 | PWM inverter controller | Hiroshi Fujii | 1989-01-31 |
| 4562524 | Control apparatus for PWM inverter | Nobuyoshi Mutoh, Keijiro Sakai, Motonobu Hattori | 1985-12-31 |