Issued Patents All Time
Showing 76–83 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6040680 | Rechargeable battery pack and charging stand for charging the rechargeable battery pack by electromagnetic induction | Toshiharu Kokuga | 2000-03-21 |
| 6016046 | Battery pack | Osamu Kaite, Toshiharu Kokuga | 2000-01-18 |
| 5982140 | Charger | Kouichi Fukukawa | 1999-11-09 |
| 5654622 | Secondary battery charging method and apparatus which controls protecting voltage level of battery protecting circuit | Takayuki Mino | 1997-08-05 |
| 5525888 | Battery charger, battery case, and electronic equipment | — | 1996-06-11 |
| 5376873 | Sequential battery charging method for preventing under-charging and over-charging of battery | — | 1994-12-27 |
| 5350993 | Power supply | Tetsuya Okada | 1994-09-27 |
| 5289102 | Battery charger having charging completion indicator | — | 1994-02-22 |