Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7433344 | Mobile communication system and method for providing real time messenger service among mobile communication terminals | Chul-Hwan Lee, Shin-Hee Do, Woo Hyuk Choi, Dong Ryul Lee, Sung-Min Kang | 2008-10-07 |