Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6424123 | Battery charging system and charge control apparatus | Arimasa Naitoh | 2002-07-23 |
| 6396243 | Power unit and power source switching apparatus for a computer | — | 2002-05-28 |
| 6373222 | Power supply apparatus, electrical equipment and power supply method | — | 2002-04-16 |
| 6346794 | Method of controlling charge and discharge of a plurality of batteries | — | 2002-02-12 |