Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8402520 | Authentication protocol for network security services | Mark W. Painter, Shuosen Robert Liu, Kong Yew Chan | 2013-03-19 |
| 8171467 | Updating of malicious code patterns using public DNS servers | Bharath Kumar Chandrasekhar, Kong Yew Chan | 2012-05-01 |
| 8127365 | Origination-based content protection for computer systems | Shuosen Robert Liu | 2012-02-28 |
| 8032923 | Cache techniques for URL rating | Yong Yew Chan | 2011-10-04 |
| 7941830 | Authentication protocol for network security services | Mark W. Painter, Shuosen Robert Liu, Kong Yew Chan | 2011-05-10 |
| 7886043 | Hybrid method and apparatus for URL filtering | Kong Yew Chan, Shuosen Robert Liu, Bharath Kumar Chandra Sekhar, Pei-wei Wu | 2011-02-08 |
| 7606214 | Anti-spam implementations in a router at the network layer | Bharath Kumar Chandra Sekhar, Shuosen Robert Liu, Narasimham Kodukula | 2009-10-20 |