Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6822793 | Compact polarization insensitive circulators with simplified structure and low polarization mode dispersion | Ping Xie | 2004-11-23 |
| 6813414 | Fiber optical pigtail geometry for improved extinction ratio of polarization maintaining fibers | Ping Xie, Salvador P. Tiscareno | 2004-11-02 |