Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778412 | Synchronous converter with reverse current protection through variable inductance | Jun Nagai | 2004-08-17 |
| 6757174 | Switching power-supply module | Jun Nagai, Yoshihiro Matsumoto, Takayoshi Nishiyama | 2004-06-29 |
| 6690256 | Coil device | Yasuo Ohashi, Jun Nagai | 2004-02-10 |