Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6552623 | Self-oscillation type switching power supply unit | Akio Nishida, Koji Nakahira | 2003-04-22 |
| 6529392 | Switching power supply unit | Akio Nishida, Koji Nakahira | 2003-03-04 |
| 6525946 | Switching power supply unit, and electronic apparatus incorporating the same | Tomohiro Yamada, Kentaro Takahashi | 2003-02-25 |