Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7634255 | Method for reporting activation status of feature service in mobile communication system | Hong-Gi Ko, Sung A KIM | 2009-12-15 |
| 7187939 | Method for reporting activation status of feature service in mobile communication system | Hong-Gi Ko, Sung A KIM | 2007-03-06 |