Issued Patents All Time
Showing 26–50 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8203691 | High extinction ratio liquid crystal optical switch | Haijun Yuan, Xuehua Wu, Christopher Lin | 2012-06-19 |
| 8094982 | Fiber lens assembly for optical device | Xuehua Wu, Haijun Yuan, Younsheng Liu, Christopher Lin | 2012-01-10 |
| 8081877 | Method of determining an optical distance for chromatic dispersion compensation | Xiaodong Duan | 2011-12-20 |
| 7929108 | Optical switching device with reconfigurable channel spacing | — | 2011-04-19 |
| 7894722 | Packaged optical device stack | — | 2011-02-22 |
| 7885546 | Method and apparatus for transparent Ethernet multiplexing and demultiplexing | Samuel Liu, Xiaodong Duan | 2011-02-08 |
| 7760972 | Multiport switch for optical performance monitor | Joe Wen, Samuel Liu | 2010-07-20 |
| 7693364 | Apparatus, system and method for a tunable optical filter | Ming Li, Song Peng | 2010-04-06 |
| 7603006 | Optical switch having angle tuning elements and multiple-fiber collimators | Ming Cai, Xuehua Wu | 2009-10-13 |
| 7577369 | Systems for deploying an optical network | Roger A. Hajjar | 2009-08-18 |
| 7486851 | Tunable single-channel dispersion compensator for high-speed optical systems | Di Yang, Wei Chen | 2009-02-03 |
| 7454143 | Reconfigurable thin film based DWDM devices for reconfigurable add-drop optical systems | Xuehua Wu, Mingjun Zhao, John Feng | 2008-11-18 |
| 7333686 | System and method for a re-configurable optical channel dropping de-multiplexer | Ming Li, Song Peng | 2008-02-19 |
| 7292786 | Method and system for a re-configurable optical multiplexer, de-multiplexer and optical add-drop multiplexer | Song Peng, Ming Li | 2007-11-06 |
| 7286730 | Optical switch having angle tuning elements and multiple-fiber collimators | Ming Cai, Xuehua Wu | 2007-10-23 |
| 7280720 | Apparatus, system and method for a tunable optical filter and channel dropping de-multiplexer | Ming Li, Song Peng | 2007-10-09 |
| 7280760 | Upgradeable optical add/drop multiplexer | Li Zou | 2007-10-09 |
| 7257325 | Method and system for monitoring multiple optical communications lines | — | 2007-08-14 |
| 7221818 | Optical switch | Ming Cai, Xuehua Wu | 2007-05-22 |
| 7194167 | Method and apparatus for a fiber optic housing and aligning device | Xingzhong Zhao, William Z. Guan, Ming Li, Di Yang, Xiaojun Wang | 2007-03-20 |
| 7186912 | Hermetic lid seal by metal pressing for fiber optic module | William Z. Guan | 2007-03-06 |
| 7184623 | Apparatus, system and method for an adiabatic coupler for multi-mode fiber-optic transmission systems | Ming Cai | 2007-02-27 |
| 7158697 | Optical multiplexer and demultiplexer apparatus utilizing multiple polarization beam splitters and reflection interferometers | Xuehua Wu, Yuezhong Feng, Xixiang Chen, Simon Cao | 2007-01-02 |
| 7120337 | Fiber optic pigtail design for reducing insertion loss and insertion loss ripple | Di Yang | 2006-10-10 |
| 7102821 | Apparatus and system for a re-configurable channel dropping de-multiplexer | Yongsheng Liu | 2006-09-05 |