Issued Patents All Time
Showing 301–325 of 341 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7697950 | Methods and apparatus for the immediate acceptance and queuing of voice data for PTT communications | Wen Zhao | 2010-04-13 |
| 7689256 | Methods and apparatus for limiting communication capabilities in mobile communication devices | Muhammad Khaledul Islam | 2010-03-30 |
| 7684805 | Systems and methods for facilitating instant communications over distributed cellular networks | Wen Zhao | 2010-03-23 |
| 7676008 | Method and apparatus for frequency tracking in a space time transmit diversity receiver | Runbo Fu, Jorgen S. Nielsen | 2010-03-09 |
| 7670642 | Method of powder coating for offset prevention in electrophotographic printers | Jerry A. Pickering, Dinesh Tyagi, Kurt E. Jones | 2010-03-02 |
| 7668149 | Methods and apparatus for facilitating concurrent push-to-talk over cellular (PoC) group communication sessions | Wen Zhao | 2010-02-23 |
| 7634080 | Multifunctional keyboard for a mobile communication device and method of operating the same | Wen Zhao, Runbo Fu, Pokin Yeung, Karen A. Rudnitski | 2009-12-15 |
| 7616707 | Methods and apparatus for reducing a sampling rate during a sampling phase determination process | — | 2009-11-10 |
| 7599687 | Apparatus for conducting radiated performance tests of a wireless device | Wen Zhao, C. Nicolas Bugnariu, Muhammad Khaledul Islam, Fangyi Luo, Jiansheng Chen | 2009-10-06 |
| 7570966 | Systems and methods for facilitating instant communications over distributed cellular networks | Wen Zhao | 2009-08-04 |
| 7570976 | Methods and apparatus for expeditiously releasing network resources for a mobile station based on low battery and lost signal conditions | Muhammad Khaledul Islam, Wen Zhao | 2009-08-04 |
| 7558540 | Method and apparatus for regulating the transmitted power in multi-rate wireless communication systems | Nagula Tharma Sangary, M. Khaledul Islam, Wen Zhao, Nasserullah Khan, Wen-Yen Chan +1 more | 2009-07-07 |
| 7550244 | Reactive polymer particles and method of preparation | Lloyd A. Lobo, Dinesh Tyagi | 2009-06-23 |
| 7551689 | Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratios | Wen-Yen Chan, Nasserullah Khan, Qingzhong Jiao, Nagula Tharma Sangary, Michael F. Habicher | 2009-06-23 |
| 7551131 | Wireless communication device and associated method including control of positioning-system receiver and shared oscillator | — | 2009-06-23 |
| 7542764 | Method of using SNR to reduce factory test time | Jennifer Mallalieu, Qingzhong Jiao, Ronald Bruce Harding | 2009-06-02 |
| 7508888 | Method and apparatus for precise open loop tuning of reference frequency within a wireless device | Wen-Yen Chan, Qingzhong Jiao, Nasserullah Khan, Nagula Tharma Sangary | 2009-03-24 |
| 7477906 | Methods and apparatus for facilitating the determination of GPS location information for a mobile station without disrupting communications of a voice call | Slaven Radic | 2009-01-13 |
| 7471738 | Method and apparatus for optimizing transmitter power efficiency | Wen-Yen Chan, Qing Zhong Jiao | 2008-12-30 |
| 7463872 | Methods and apparatus for controlling a gain state of a wireless receiver operating in an idle mode | Qingzhong Jiao, Tom Yun Sang Young | 2008-12-09 |
| 7418356 | System and method of battery capacity estimation | Calin N. Bugnariu, M. Khaledul Islam, Samir R. Shah, Stephen L. Pomeroy, Reguina Bouianovskaia +1 more | 2008-08-26 |
| 7371492 | Vinyl polymer photoconductive elements | Wayne T. Ferrar, David S. Weiss, Michel F. Molaire, William T. Gruenbaum | 2008-05-13 |
| 7366515 | System and method of wireless device activity messaging | Wen Zhao, Munammad Khalecul Islam, Haining Zhang | 2008-04-29 |
| 7359701 | Method for conducting radiated performance tests of a wireless device | Wen Zhao, C. Nicolas Bugnariu, M. Khaledul Islam, Fangyi Luo, Jiansheng Chen | 2008-04-15 |
| 7356102 | Gain compensation over temperature and frequency variations in wireless transceivers | Steven P. Morton, Qing Zhong Jiao | 2008-04-08 |