Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, William Yang, Charlie Zhang | 2005-05-03 |