Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10403255 | Audio processing method, apparatus and system | Weifeng Zhao, Chun-Nan Li, Xiang Liu, Haojie Xu, Dewen Zhang +13 more | 2019-09-03 |
| 10074351 | Karaoke processing method and system | Weifeng Zhao, Chun-Nan Li, Xiang Liu, Haojie Xu, Dewen Zhang +3 more | 2018-09-11 |
| 10043504 | Karaoke processing method, apparatus and system | Weifeng Zhao, Chun-Nan Li, Xiang Liu, Baohua Wang, Meixing Wang +12 more | 2018-08-07 |
| D654429 | Portable battery | Xiaofeng Zhang | 2012-02-21 |