Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8907847 | Directional antenna system for portable communication device | Hing S. Tong | 2014-12-09 |
| 6839425 | Integrated analog/digital telephone network interface circuit design | William Xiao-Qing Huang, Weijia Wang | 2005-01-04 |