Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8319817 | Method and apparatus for video call using transmission of divided image frames | Eun Young Choi | 2012-11-27 |
| 6801765 | Locking and unlocking method in mobile telephone | Youn-Man Lee, Yong-Duck Hwang | 2004-10-05 |
| 6714799 | Method and system for using SIM card in CDMA service area | Jeon-Man Park | 2004-03-30 |
| 6397088 | Location search auxiliary system for cellular radio telephone and method for using same | — | 2002-05-28 |