Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6947887 | Low speed speech encoding method based on Internet protocol | Yingtao Li | 2005-09-20 |
| 6407990 | Method of transmission of image by CDMA system | Yingtao Li, Bingyu Qu | 2002-06-18 |