Issued Patents All Time
Showing 51–62 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6606505 | Wireless centrex call screen | Jinman Kim, Hopeton S. Walker, Spencer Wang, Wenchu Ying | 2003-08-12 |
| 6594488 | Method and apparatus for over-the-air activation of neighborhood cordless-type services | Spencer Wang, Wenchu Ying | 2003-07-15 |
| 6591115 | Wireless centrex call hold | Jinman Kim, Jesse Eugene Russell, Spencer Wang, Wenchu Ying | 2003-07-08 |
| 6587683 | Unconditional call forwarding in a wireless centrex services system | Jinman Kim, Hopeton S. Walker, Spencer Wang, Wenchu Ying | 2003-07-01 |
| 6574470 | Programmable ring-call forwarding in a wireless centrex services system | Jinman Kim, Hopeton S. Walker, Spencer Wang, Wenchu Ying | 2003-06-03 |
| 6546253 | Neighborhood cordless service call handoff | Jinman Kim, Spencer Wang, Wenchu Ying | 2003-04-08 |
| 6535730 | Wireless centrex conference call adding a party | Jinman Kim, Spencer Wang, Wenchu Ying | 2003-03-18 |
| 6470179 | Automatic service selection feature for neighborhood residential cordless service | Spencer Wang, Wenchu Ying | 2002-10-22 |
| 6456839 | Method and apparatus for billing a neighborhood cordless service | Jesse Eugene Russell, Spencer Wang, Wenchu Ying | 2002-09-24 |
| 6445911 | Method and apparatus for providing neighborhood cordless services | Robert Raymond Miller, II, Jesse Eugene Russell, Spencer Wang, Wenchu Ying | 2002-09-03 |
| 6243572 | Method and apparatus for billing a neighborhood cordless service | Jesse Eugene Russell, Spencer Wang, Wenchu Ying | 2001-06-05 |
| 5894478 | Protocol converter and router for multi-mode wireless data communications | Farhad Barzegar, Chi-Hwey Chang, Gregory M. Durant, Danny K. Hsu, Xiaojian Huang +2 more | 1999-04-13 |