Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11601991 | System and method for a network access service | Xuejun Lu | 2023-03-07 |
| 11006276 | System and method providing interoperability between cellular and other wireless systems | Hanwu Hu | 2021-05-11 |
| 10944612 | System and method for frequency synchronization of Doppler-shifted subcarriers | Hanwu Hu | 2021-03-09 |
| 10849063 | System and method for controlling a wireless network | Xuejun Lu | 2020-11-24 |
| 10498578 | System and method for frequency synchronization of doppler-shifted subcarriers | Hanwu Hu | 2019-12-03 |
| 10368307 | System and method for controlling a wireless network | Xuejun Lu | 2019-07-30 |
| 10091044 | System and method for frequency synchronization of Doppler-shifted subcarriers | Hanwu Hu | 2018-10-02 |
| 10080188 | System and method for controlling a wireless network | Xuejun Lu | 2018-09-18 |
| 9237518 | Power saving in wireless network entities | Xuejun Lu, Hanwu Hu, Mouhamadou Lamine Sylla | 2016-01-12 |
| 8923180 | Power saving in wireless network entities | Xuejun Lu, Hanwu Hu, Mouhamadou Lamine Sylla | 2014-12-30 |
| 8620270 | System and method providing interoperability between cellular and other wireless systems | Hanwu Hu | 2013-12-31 |
| 7295584 | System and method for generating multi-wavelength laser source using highly nonlinear fiber | Jidong Xu, Jie Sun, Hanwu Hu, Qi Peng | 2007-11-13 |
| 7209501 | Multi-wavelength laser source based on two optical laser beat signal and method | Jidong Xu, Qi Peng, Hanwu Hu | 2007-04-24 |
| 7058097 | Wavelength locking for multi-wavelength laser source | — | 2006-06-06 |
| 6901085 | Multi-wavelength ring laser source | Hanwu Hu | 2005-05-31 |
| 6900898 | Temperature insensitive Mach-Zehnder interferometers and devices | Nadereh Mohtat | 2005-05-31 |
| 6826207 | Multi-wavelength laser source based on two optical laser beat signal and method | Jidong Xu, Qi Peng, Hanwu Hu | 2004-11-30 |
| 6788716 | Multi-wavelength lasers | Hamid Hatami-Hanza | 2004-09-07 |
| 6782152 | Method and apparatus for frequency tuning of an unbalanced Mach-Zehnder interferometer | Nadereh Mohtat, Hanwu Hu | 2004-08-24 |
| 6778278 | Temperature insensitive Mach-Zehnder interferometers and devices | Nadereh Mohtat | 2004-08-17 |
| 6763155 | Mach-zehnder interferomter (MZI) filter devices | Jae Dong Park, Ken Hongkeun Cho, Hamid Hatami-Hanza | 2004-07-13 |
| 6754411 | Mach-zehnder based filter demultiplexers and method | Hamid Hatami-Hanza | 2004-06-22 |
| 6667829 | Full combined C and L bands optical amplifier and method | Hamid Hatami-Hanza | 2003-12-23 |
| 6542490 | Data link control proctocol for 3G wireless system | Mo-Han Fong, Geng Wu | 2003-04-01 |
| 6477670 | Data link layer quality of service for UMTS | — | 2002-11-05 |