Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815939 | Switching power supply unit | Kiyotaka Umemoto | 2004-11-09 |
| 6784724 | Constant voltage generating circuit | — | 2004-08-31 |
| 6703955 | Variable-output-characteristic semiconductor integrated circuit device | Kenji Otani | 2004-03-09 |