Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7454518 | System, device, and method for receiver access control in a multicast communication network | Bradley Cain | 2008-11-18 |
| 7360084 | System, device, and method for controlling access in a multicast communication network | — | 2008-04-15 |
| 6993138 | Spatial key trees for key management in wireless environments | — | 2006-01-31 |
| 6963573 | System, device, and method for receiver access control in a multicast communication system | Bradley Cain | 2005-11-08 |
| 6952740 | Apparatus and method of maintaining a route table | Bradley Cain | 2005-10-04 |
| 6950932 | Security association mediator for java-enabled devices | Tal Lavian, Franco Travostino, Rob Duncan | 2005-09-27 |
| 6842449 | Method and system for registering and automatically retrieving digital-certificates in voice over internet protocol (VOIP) communications | — | 2005-01-11 |
| 6813714 | Multicast conference security architecture | Brad Cain, Naganand Doraswamy | 2004-11-02 |
| 6785809 | Server group key for distributed group key management | — | 2004-08-31 |
| 6738900 | Method and apparatus for distributing public key certificates | Brad Cain | 2004-05-18 |
| 6725276 | Apparatus and method for authenticating messages transmitted across different multicast domains | Bradley Cain | 2004-04-20 |
| 6643773 | Apparatus and method for authenticating messages in a multicast | — | 2003-11-04 |
| 6587943 | Apparatus and method for limiting unauthorized access to a network multicast | — | 2003-07-01 |
| 6584566 | Distributed group key management for multicast security | — | 2003-06-24 |
| 6564325 | Method of and apparatus for providing multi-level security access to system | Franco Travostino, Tal Lavian, Rob Duncan | 2003-05-13 |
| 6557044 | Method and apparatus for exchange of routing database information | Brad Cain | 2003-04-29 |
| 6425004 | Detecting and locating a misbehaving device in a network domain | — | 2002-07-23 |
| 6363481 | Method and apparatus for secure data storage using distributed databases | — | 2002-03-26 |
| 6301662 | Authentication of routing data using variable output length one-way functions | — | 2001-10-09 |
| 6182214 | Exchanging a secret over an unreliable network | — | 2001-01-30 |
| 6115699 | System for mediating delivery of a document between two network sites | — | 2000-09-05 |