Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8107454 | Device for setting of a service zone in a mobile communication network, method and system for providing zone-based service using the device, and mobile communication unit | Yul-Jea Cho, Jong-Deug Kim | 2012-01-31 |
| 7940733 | Device for setting of a service zone in a mobile communication network, method and system for providing zone-based service using the device, and mobile communication unit | Yul-Jea Cho, Jong-Deug Kim | 2011-05-10 |