Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6751104 | Single-stage power factor correction method to reduce energy storage capacitor voltage and circuit for same | Chongming Qiao, Keyue Smedley, Thomas Brooks | 2004-06-15 |
| 4823023 | Transistor with differentiated control switching circuit | Isao Fujihata, Atsushi Yanase | 1989-04-18 |
| 4538101 | Power supply device | Isao Fujihata | 1985-08-27 |