Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11152015 | Method and apparatus for processing speech signal adaptive to noise environment | Ho-sang Sung, Ki-hyun Choo, Eun-mi Oh | 2021-10-19 |
| 10972854 | Method for transmitting audio signal and outputting received audio signal in multimedia communication between terminal devices, and terminal device for performing same | Kyung Hun Jung, Byeong-hoon Kwak, Ho-sang Sung, Eun-mi Oh, Ki-hyun Choo +1 more | 2021-04-06 |