Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10360923 | Method and system for eliminating an echo | Shenglin Zhu | 2019-07-23 |
| 10271138 | Method and device for compensating frequency response of audio signal | Shenglin Zhu | 2019-04-23 |