Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7983269 | Architecture to support public voice VPN services over an IP network | Kwok T. Fung, Denny Ko, Fang Wu, Eberhard F. Wunderlich | 2011-07-19 |
| 7533410 | Architecture to support public voice VPN services over an IP network | Kwok T. Fung, Denny Ko, Fang Wu, Eberhard F. Wunderlich | 2009-05-12 |