Issued Patents All Time
Showing 101–104 of 104 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6084994 | Tunable, low back-reflection wavelength division multiplexer | Feng Liu, Haiguang Lu | 2000-07-04 |
| 6078710 | Method and system for providing a multi-channel optical filter | Feng Liu | 2000-06-20 |
| 5930039 | Optical circulator | Vincent Au-Yeung, Qing Guo | 1999-07-27 |
| 5909310 | Optical circulator | Vincent Au-Yeung, Qing Guo | 1999-06-01 |