Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7415293 | Method for saving battery power consumption by controlling the display of a portable telephone | — | 2008-08-19 |
| 6801765 | Locking and unlocking method in mobile telephone | Kyung-Yun Roo, Yong-Duck Hwang | 2004-10-05 |