Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7265518 | Method of automatically cutting off power in case of low battery voltage in mobile electronic unit | Yoo-shin Lee, Hun-young Ryu | 2007-09-04 |
| 7133650 | Power supply having stable reset function in mobile electronic unit | Hun-young Ryu, Yun-cheal Kim | 2006-11-07 |