Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7417663 | Videoconferencing service system, videoconferencing service operating method and service center | Yuefeng Yang, Chongjun Chen, Jun Li, Xudong Lv, Mingyi Dai +1 more | 2008-08-26 |