Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8121637 | Method and system for maintaining a wireless data connection | Wen Zhao, Shahid Chaudry, Hao Xue, Grace T. Y. Yeung, Clifford W. Yanoshewski | 2012-02-21 |
| 7818025 | Method and system for maintaining a wireless data connection | Wen Zhao, Shahid Chaudry, Hao Xue, Grace T. Y. Yeung, Clifford W. Yanoshewski | 2010-10-19 |
| 7715868 | Method and system for maintaining a wireless data connection | Wen Zhao, Shahid Chaudry, Hao Xue, Grace T. Y. Yeung, Clifford W. Yanoshewski | 2010-05-11 |
| 7395046 | Method and apparatus for a mobile station to enhance the probability of successful emergency call completion and successful callback from emergency service centre | Asif Hossain, M. Khaledul Islam | 2008-07-01 |