Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6992828 | Optical attentuator system | Gang He | 2006-01-31 |
| 6819429 | Multi-pass optical spectrum analyzer having a polarization-dependent tunable filter | Gang He, Daniel Gariepy, Gregory Walter Schinn | 2004-11-16 |