Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6452364 | Battery charge control circuit, battery charging device, and battery charge control method | Mitsuo Saeki, Hidekiyo Ozawa, Toshiyuki Matsuyama | 2002-09-17 |
| 6445164 | Power supply apparatus with chargeable battery and charge/discharge method | — | 2002-09-03 |
| 6420858 | DC-to-DC converter circuit having a power saving mode | Toshiyuki Matsuyama, Hidekiyo Ozawa | 2002-07-16 |
| 6414403 | Power unit | Mitsuo Saeki, Hidekiyo Ozawa | 2002-07-02 |