Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8447656 | Enhanced network based promotional tracking system | Stephen Messer, Cheryl Ho | 2013-05-21 |
| 8055419 | Multi-functional display for tachometer | — | 2011-11-08 |
| 7778877 | Enhanced network based promotional tracking system | Stephen Messer, Cheryl Ho | 2010-08-17 |
| 7154560 | Watermarking of digital image data | Shih-Fu Chang | 2006-12-26 |