Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9398162 | Systems and methods for playing recorded announcements | Shiping Li, Xiang Yu | 2016-07-19 |
| 8953752 | Systems and methods for playing recorded announcements | Shiping Li, Xiang Yu | 2015-02-10 |
| 7940657 | Identifying attackers on a network | Shaun Jaikarran Bharrat, Mark Duffy, Gary Robert McCarthy, Jian Yang, Shiping Li | 2011-05-10 |
| 7672336 | Filtering and policing for defending against denial of service attacks on a network | Shaun Jaikarran Bharrat, Mark Duffy, Ronald V. Grippo, Shiping Li, Jian Yang | 2010-03-02 |
| 6169728 | Apparatus and method for spectrum management in a multipoint communication system | Dennis J. Picker, Sunil Menon | 2001-01-02 |
| 6114968 | Hybrid contention/polling access method | Krishnan Ramakrishnan, Stephen Schroeder | 2000-09-05 |
| 6006017 | System for determining the frequency of repetitions of polling active stations relative to the polling of inactive stations | Abhay Joshi, Mete Kabatepe, Lawrence W. Lloyd, Stephen Schroeder | 1999-12-21 |
| 5809427 | Apparatus and method for channel acquisition in a communication system | John DiNatale, Mark C. Miner | 1998-09-15 |
| 5805994 | Method for transmit power control in a communication system | David Flanagan, Katherine A. Unger | 1998-09-08 |
| 5805586 | Method, device and data communication system for multilink polling | Abhay Joshi, Mete Kabatepe, Lawrence W. Lloyd, Stephen Schroeder | 1998-09-08 |
| 5793307 | Method and apparatus for a hybrid limited contention and polling protocol | Abhay Joshi, Mete Kabatepe, Lawrence W. Lloyd, Stephen Schroeder | 1998-08-11 |
| 5790541 | Apparatus, method, system and system method for distributed routing in a multipoint communication system | Michael W. Patrick, Dennis J. Picker | 1998-08-04 |
| 5754484 | Apparatus and method for utilization of limited write memory | — | 1998-05-19 |
| 5699365 | Apparatus and method for adaptive forward error correction in data communications | Jeffrey T. Klayman, Katherine A. Unger, Stephen Schroeder | 1997-12-16 |
| 5684802 | System and method for hybrid contention/polling protocol collison resolution used backoff timers with polling | Abhay Joshi, Mete Kabatepe, Lawrence W. Lloyd, Stephen Schroeder | 1997-11-04 |
| 5651009 | System and method for hybrid contention/polling protocol collision resolution using a depth first search technique | Abhay Joshi, Mete Kabatepe, Lawrence W. Lloyd, Stephen Schroeder | 1997-07-22 |
| 5608727 | Method and system for management of frequency spectrum among multiple applications on a shared medium | Abhay Joshi, Albert Chen, Eva Labowicz | 1997-03-04 |
| 5596577 | Method and system for providing access by secondary stations to a shared transmission medium | Abhay Joshi, Mete Kabatepe, Lawrence W. Lloyd, Stephen Schroeder | 1997-01-21 |