Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12258330 | Method for preparing voriconazole and intermediate thereof | Wenxiang Zhou, Jiaxing HU | 2025-03-25 |
| 12175255 | Selective switching of an active partition in an electronic device | Roland Chew, Wen Huang, Wei Wu | 2024-12-24 |
| 11919884 | Method for preparing voriconazole L-camphorsulphonate and voriconazole | Hu Huang, Guoliang Tu, Zhongming Xu, Qianghui Wu, Zhaoyang Meng +1 more | 2024-03-05 |
| 10961194 | Method for purifying ropinirole hydrochloride | Guoliang Tu, Zhongming Xu, Tao Zhou, Shiwen Zhang | 2021-03-30 |
| 10633368 | Voriconazole intermediate and voriconazole synthesis method | Hu Huang, Guoliang Tu, Jiegen Liu, Zhongming Xu, Qianghui Wu +2 more | 2020-04-28 |
| 10508076 | Method for resolution of citalopram intermediate 5-cyano diol | Zunjun Liang, Siqi Hu, Caihua Peng, Qifeng Lu, Guoliang Tu | 2019-12-17 |
| 10287240 | Method for resolution of citalopram intermediate 5-cyano diol | Zunjun Liang, Siqi Hu, Caihua Peng, Qifeng Lu, Guoliang Tu | 2019-05-14 |
| 10227293 | Method for preparing citalopram diol intermediate | Zunjun Liang, Weifeng Xiao, Caihua Peng, Guoliang Tu | 2019-03-12 |
| 8213936 | System and method for executing a seamless handoff in a network environment | Michael Chen, Huizhao Wang, Xiaode Xu | 2012-07-03 |
| 8005030 | WLAN diagnostics using traffic stream metrics | David Sheldon Stephenson, Arnold Mark Bilstad, Jason Kim | 2011-08-23 |
| 7680074 | Method and apparatus for optimizing cell operation toward better speech quality in wireless packet-switching networks | Xiaode Xu, David Sheldon Stephenson, Huizhao Wang, Arnold Mark Bilstad | 2010-03-16 |
| 7647046 | Maintaining uninterrupted service in a wireless access point and client stations thereof | Huizhao Wang, Xiaode Xu, Arnold Mark Bilstad | 2010-01-12 |
| 7468951 | Method and system for evaluting number of additional admissible calls for use in call admission control | Lu Qian, Bretton Douglas, David Sheldon Stephenson, Sandeep Jay Shetty, Rajneesh Kumar | 2008-12-23 |
| 7440756 | Controlling micro-roaming in a wireless LAN | Huizhao Wang, Xiaode Xu, Kushal A. Patel | 2008-10-21 |
| 7330710 | Private emergency or service-specific call approach in GSM systems | Xiaode Xu, Ian Sayers | 2008-02-12 |
| 7231579 | Method and apparatus for using fire decoder to correct burst errors in a real-time communications system | Howard S. Pines, Daryl A. Kaiser, Ian Sayers | 2007-06-12 |
| 7200398 | System and method for handover execution in a wireless environment | Xiaode Xu, Howard S. Pines, Ian Sayers | 2007-04-03 |
| 6961323 | Guaranteed air connection | Xiaode Xu, Ian Sayers | 2005-11-01 |
| 6901116 | Method and system for reducing false detections of access signals | Howard S. Pines, Ian Sayers, Xiaode Xu | 2005-05-31 |
| 6879568 | Quick layer-3 message multiplexing | Xiaode Xu, Sheausong Yang, Bhavannarayana Nelakanti, Ian Sayers | 2005-04-12 |
| 6862082 | System and method for handover execution in a wireless environment | Xiaode Xu, Howard S. Pines, Ian Sayers | 2005-03-01 |
| 6754871 | Method and apparatus for using fire decoder to correct burst errors in a real-time communications system | Howard S. Pines, Daryl A. Kaiser, Ian Sayers | 2004-06-22 |