Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9712988 | Mobile communication terminal, and system and method for safety service using same | Yongrae Jo, Jihyun Yoo | 2017-07-18 |
| 9462445 | Mobile communication terminal, and system and method for safety service using same | Yongrae Jo, Jihyun Yoo | 2016-10-04 |
| 8811202 | Safety monitoring photo service provision method and system | Yongrae Cho, Eunjung Song | 2014-08-19 |