Issued Patents All Time
Showing 201–223 of 223 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7751855 | Private routing control numbers | — | 2010-07-06 |
| 7734027 | Call control component collection of communication device identification information for internet protocol endpoint | Xu Chen | 2010-06-08 |
| 7725104 | Local calling area determination in wireless networks | Jie Su | 2010-05-25 |
| 7643623 | Flexible mobile prepaid scratch card recharge | — | 2010-01-05 |
| 7640030 | SMPP message processing for SMS spam filtering | Donna McGreal, Sanjeev Singh, Randy Yang, Li Chun Zhang | 2009-12-29 |
| 7630727 | MAP message processing for SMS spam filtering | Donna McGreal, Sanjeev Singh, Randy Yang, Li Chun Zhang | 2009-12-08 |
| 7620384 | Converged service control for IMS networks and legacy networks | Sheng-Chang Chen, Xiangyang Li, Peng Wang, Rui Yun Wu, Jay Z. Zhao | 2009-11-17 |
| 7599478 | IMS gateway systems and methods for online charging in IMS networks | Xiang Li, Peng Wang, Jay Z. Zhao | 2009-10-06 |
| 7548743 | Call control with converged application server logic and gateway logic in IMS networks | Xiang Li, Peng Wang, Jay Z. Zhao | 2009-06-16 |
| 7535993 | Call control component employment of one or more criteria for internet protocol call selection for eavesdrop component monitoring | Xu Chen | 2009-05-19 |
| 7457609 | Methods and systems for controlling services provided to shared plan subscribers | — | 2008-11-25 |
| 7454200 | Personal handyphone system component employment of prepay telephone service system component to allow user employment of wireless telephone service subsequent to purchase thereof | Xu Chen, Jennifer He, Hai Mu | 2008-11-18 |
| 7356327 | Enhanced recharge card management system with reseller users' security and accessibility | John B. Reid, Jie Su, Sunil Thadani | 2008-04-08 |
| 7239866 | Spam checking for internetwork messages | Shehryar S. Qutub, Gyan Shanker, Alok Sharma | 2007-07-03 |
| 7035391 | Communication of intelligent network signaling between a SSP and an external intelligent peripheral | Xu Chen, Ning-Yin Chou, Valentin M. Hossu, Chitresh Yadav | 2006-04-25 |
| 7010104 | Pre-biller capability in enhanced charging collection function (CCF) applications | Qing Hong He, Min Liu, John B. Reid, Ashish Trivedi, Yile Enoch Wang +1 more | 2006-03-07 |
| 6862342 | Intelligent-networked system with service for notifying and hearing selected E-mails via a public switched telephone network | Shiyan Hua | 2005-03-01 |
| 6707898 | Elapsed time reminder for telecommunication network | Shiyan Hua | 2004-03-16 |
| 6590970 | Intelligent-networked telephone system having advertisement with bonus free phone call service | Shiyan Hua | 2003-07-08 |
| 6359975 | Intelligent-networked telecommunication system which strategically creates and employs service-dependent pseudo calling line identities to eliminate redundant billing errors | — | 2002-03-19 |
| 6356630 | Telephone calling card service system integrating virtual destination numbers | Shiyan Hua | 2002-03-12 |
| 6246757 | Telephone calling card system with abbreviated code destination number capability | Shichang Yu | 2001-06-12 |
| 6178234 | Intelligent networked, automated telephone calling card service system capable of bailout to an operator | Shiyan Hua, Wing H. Huen | 2001-01-23 |