Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664772 | DC to DC converter producing output voltage exhibiting rise and fall characteristics independent of load thereon | Mitsuo Saeki, Hidetoshi Yano, Hidekiyo Ozawa, Toshiyuki Matsuyama, Takashi Matsumoto +2 more | 2003-12-16 |
| 6624613 | Power supply apparatus with chargeable battery and charge/discharge method | — | 2003-09-23 |