Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9680871 | Adopting policy objects for host-based access control | Stephen J. Gallagher | 2017-06-13 |
| 7213262 | Method and system for proving membership in a nested group using chains of credentials | Anne H. Anderson, Stephen R. Hanna, Sean J. Mullan, Radia J. Perlman | 2007-05-01 |
| 7085925 | Trust ratings in group credentials | Stephen R. Hanna, Anne H. Anderson, Radia J. Perlman, Sean J. Mullan | 2006-08-01 |
| 7058798 | Method ans system for pro-active credential refreshing | Anne H. Anderson, Stephen R. Hanna, Sean J. Mullan, Radia J. Perlman | 2006-06-06 |
| 7054905 | Replacing an email attachment with an address specifying where the attachment is stored | Stephen R. Hanna, David C. Douglas, Radia J. Perlman, Sean J. Mullan, Anne H. Anderson | 2006-05-30 |
| 7010690 | Extensible system for building and evaluating credentials | Stephen R. Hanna, Anne H. Anderson | 2006-03-07 |
| 6883100 | Method and system for dynamic issuance of group certificates | Anne H. Anderson, Stephen R. Hanna, Sean J. Mullan, Radia J. Perlman | 2005-04-19 |
| 6801998 | Method and apparatus for presenting anonymous group names | Stephen R. Hanna, Anne H. Anderson, Radia J. Perlman, Sean J. Mullan | 2004-10-05 |
| 6636838 | Content screening with end-to-end encryption | Radia J. Perlman, Stephen R. Hanna | 2003-10-21 |
| 6560705 | Content screening with end-to-end encryption prior to reaching a destination | Radia J. Perlman, Stephen R. Hanna | 2003-05-06 |
| 6546486 | Content screening with end-to-end encryption within a firewall | Radia J. Perlman, Stephen R. Hanna | 2003-04-08 |
| 6263434 | Signed group criteria | Stephen R. Hanna, Anne H. Anderson, Radia J. Perlman, Sean J. Mullan | 2001-07-17 |