Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9998506 | Method and apparatus for transmitting groupcast to support voice paging service in voice over internet protocol system | Hyun Ah Kim, Pyung-Bin Lim, Sang-II Choi | 2018-06-12 |