Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816645 | High reflection isolation device | — | 2004-11-09 |
| 6804432 | Optical add-drop multiplexer | — | 2004-10-12 |
| 6798929 | Piezoelectric tunable filter | Ga-Lane Chen, Charles Leu | 2004-09-28 |
| 6795604 | Optical switch | — | 2004-09-21 |