Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836575 | Three-port PM circular having isolation function | — | 2004-12-28 |
| 6819810 | Depolarizer | Qingdong Guo | 2004-11-16 |
| 6762879 | Method and system for providing an optical circulator | — | 2004-07-13 |
| 6751366 | Multi-port circulator | — | 2004-06-15 |