Issued Patents All Time
Showing 101–107 of 107 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7711267 | Remote management of central office operations | Tiejun J. Xia | 2010-05-04 |
| 7577257 | Large scale quantum cryptographic key distribution network | Tiejun J. Xia | 2009-08-18 |
| 7574082 | Optical power monitoring with robotically moved macro-bending | Tiejun J. Xia | 2009-08-11 |
| 7474829 | Assemblies and methods for drop cable | Tiejun J. Xia, James P. Dacey | 2009-01-06 |
| 6233072 | Method and system for restoring coincident line and facility failures | Shoa-Kai Liu | 2001-05-15 |
| 6111675 | System and method for bi-directional transmission of telemetry service signals using a single fiber | Xiaoping Mao, Harold Clay Wispell, II | 2000-08-29 |
| 6078596 | Method and system of SONET line trace | — | 2000-06-20 |