Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6590790 | Switching power supply device | Tatsuya Hosotani, Tomohiro Yamada | 2003-07-08 |
| 6525946 | Switching power supply unit, and electronic apparatus incorporating the same | Ryota Tani, Tomohiro Yamada | 2003-02-25 |