Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7577366 | Selectable dispersion enhancement | — | 2009-08-18 |
| 7092642 | Tunable channel spacing for wavelength division multiplexing (WDM) transport system | — | 2006-08-15 |
| 6944406 | Transport system with tunable channel spacing DWDM | — | 2005-09-13 |
| 6583903 | Method and system for controlling polarization mode dispersion | Tiejun J. Xia | 2003-06-24 |
| 6421153 | Device and method for determining PMD independent of SOP | T. J. Xia | 2002-07-16 |
| 6366728 | Composite optical fiber transmission line method | Tiejun J. Xia, Yisong Li | 2002-04-02 |
| 6229606 | Method and apparatus for measuring PMD of a dispersion compensation grating | Tiejun J. Xia | 2001-05-08 |
| 6137775 | Spare capacity planning tool | Merwyn C. Bartlett, Rajesh Kumar | 2000-10-24 |
| 5841758 | Method of optimally placing concentrator switches in a network | Cheng-Chou Chen | 1998-11-24 |