Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654622 | Secondary battery charging method and apparatus which controls protecting voltage level of battery protecting circuit | Shoichi Toya | 1997-08-05 |
| 5652499 | Power supply apparatus to provide power to electrical equipment from a plurality of battery packs and its method of power supply | Hideyo Morita | 1997-07-29 |
| 5596259 | Method of charging a secondary battery | Toshiharu Kokuga | 1997-01-21 |
| 5592070 | Battery charger having a temperature sensor and a rechargeable battery charging method | — | 1997-01-07 |