Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8975869 | Portable terminal battery pack and apparatus and method for controlling battery unit of the battery pack to extend battery use time | Seongsoo Lee, Sangho Kim, Jaeho LIM | 2015-03-10 |
| 8527791 | Portable device capable of extending available battery time and method for controlling portable device | Seongsoo Lee, Hyeoncheol Yang | 2013-09-03 |