Issued Patents 2005
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6954055 | Switching device driving apparatus and DC/DC converter incorporating the same | Kiyotaka Umemoto | 2005-10-11 |
| 6949917 | Switching power supply unit | Kiyotaka Umemoto | 2005-09-27 |
| 6924533 | Semiconductor integrated circuit device incorporating overvoltage protection circuit | Kenji Otani | 2005-08-02 |
| 6922042 | DC/DC converter | Kiyotaka Umemoto | 2005-07-26 |
| 6917189 | Electric power supply unit having improved output voltage response | Kiyotaka Umemoto, Kenichi Nakata | 2005-07-12 |
| 6894470 | Power supply device and electric appliance employing the same | Kiyotaka Umemoto | 2005-05-17 |
| 6891736 | Multiphase DC/DC converter | Kiyotaka Umemoto | 2005-05-10 |