Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6900932 | Optical gain flattening filter using VPG-based optical elements | Li Chen, Charlie Zhang, Danny Yu | 2005-05-31 |
| 6888980 | Methods and techniques for achieving flattened and broadened pass band spectrum for free-space grating-based dense wavelength division multiplexers/demultiplexers | Danny Yu, Li Chen, Charlie Zhang, Jie Yang | 2005-05-03 |