Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5717311 | Fast-charging device for rechargeable batteries | Sang-Tae Im, Hwan-Ho Seoung | 1998-02-10 |
| 5691624 | Method and apparatus for detecting a full-charge condition while charging a battery | Sang-Tae Im, Hwan-Ho Seoung | 1997-11-25 |