Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501247 | Method of displaying full-charge-state | Osamu Kaite | 2002-12-31 |
| 6040680 | Rechargeable battery pack and charging stand for charging the rechargeable battery pack by electromagnetic induction | Shoichi Toya | 2000-03-21 |
| 6016046 | Battery pack | Osamu Kaite, Shoichi Toya | 2000-01-18 |
| 5955868 | Battery charging apparatus having battery attachment sections for charging batteries at different rates or timing | Osamu Kaite | 1999-09-21 |
| 5642032 | Charging method for a battery assembly including a plurality of secondary batteries | — | 1997-06-24 |
| 5617009 | Rechargeable battery charging circuit which sets supplemental charging capacity according to ambient temperature | Mitsunori Takao, Takanao Matsumoto, Hiroaki Sakurai | 1997-04-01 |
| 5608305 | Method and apparatus for compulsory discharging lithium-ion battery to prevent quality degradation | — | 1997-03-04 |
| 5606240 | Battery charger | Mikitaka Tamai, Tetsuya Okada | 1997-02-25 |
| 5596259 | Method of charging a secondary battery | Takayuki Mino | 1997-01-21 |
| 5589755 | Method and apparatus for charging a secondary battery | Osamu Kaite, Tatsuya Okada | 1996-12-31 |
| 5554920 | Rechargeable battery charging method | — | 1996-09-10 |
| 5519302 | Battery charger which suspends charging according to a voltage drop and restarts charging according to battery temperature | Takayuki Mino | 1996-05-21 |