Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7890809 | High level operational support system | David Sze Hong | 2011-02-15 |
| 7533301 | High level operational support system | David Sze Hong | 2009-05-12 |
| 7302612 | High level operational support system | David Sze Hong | 2007-11-27 |