Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7158391 | Switching power supply unit | — | 2007-01-02 |
| 6781852 | Switching power supply using a transformer, rectifier, control circuit and voltage generating circuits | Masaharu Hatta, Masato Watanabe | 2004-08-24 |
| 6064580 | Switching power supply | Haruo Watanabe | 2000-05-16 |