Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9712988 | Mobile communication terminal, and system and method for safety service using same | Yongrae Jo, Junghwa Yoo | 2017-07-18 |
| 9462445 | Mobile communication terminal, and system and method for safety service using same | Yongrae Jo, Junghwa Yoo | 2016-10-04 |