Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8014386 | Method for providing VoIP services for wireless terminals | Ningming Hua | 2011-09-06 |
| 7907550 | Method and system for providing voice over IP conferencing service | Ningming Hua | 2011-03-15 |