Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11681304 | Emergency response system | Anup Raj Kunwar, James Edwards, KwangYoung Oh | 2023-06-20 |
| 10594693 | Electronic device identification | Jonathan Dunne, Liam Harpur | 2020-03-17 |
| 10069825 | Electronic device identification | Jonathan Dunne, Liam Harpur | 2018-09-04 |
| 10057260 | Electronic device identification | Jonathan Dunne, Liam Harpur | 2018-08-21 |
| 9755836 | Identifying and locating authenticated services using broadcast encryption | Thomas A. Bellwood, Jeffrey Bruce Lotspiech | 2017-09-05 |
| 9515834 | Content protection continuity through authorized chains of components | Thomas A. Bellwood, Robert B. Chumbley, Jacob D. Eisinger, Travis M. Grigsby | 2016-12-06 |
| 9292673 | Virtual key management and isolation of data deployments in multi-tenant environments | Ronald W. Bassett, Thomas A. Bellwood | 2016-03-22 |
| 9252949 | Broadcast encryption based media key block security class-based signing | — | 2016-02-02 |
| 9252948 | Broadcast encryption based media key block security class-based signing | — | 2016-02-02 |
| 9009489 | Device archiving of past cluster binding information on a broadcast encryption-based network | Thomas A. Bellwood, Robert Glenn Deen, Jeffrey Bruce Lotspiech | 2015-04-14 |
| 9009487 | Device archiving of past cluster binding information on a broadcast encryption-based network | Thomas A. Bellwood, Robert Glenn Deen, Jeffrey Bruce Lotspiech | 2015-04-14 |
| 8966115 | Content protection continuity through authorized chains of components | Thomas A. Bellwood, Robert B. Chumbley, Jacob D. Eisinger, Travis M. Grigsby | 2015-02-24 |
| 8862878 | Authentication and authorization of a device by a service using broadcast encryption | Thomas A. Bellwood, Jeffrey Bruce Lotspiech | 2014-10-14 |
| 8724811 | Broadcast encryption based security system | Thomas A. Bellwood, Robert B. Chumbley, Alexander Tarpinian | 2014-05-13 |
| 8571209 | Recording keys in a broadcast-encryption-based system | Thomas A. Bellwood, Robert Glenn Deen, Hongxia Jin, Jeffrey Bruce Lotspiech, Sigfredo I. Nin | 2013-10-29 |
| 8528055 | Processing performance of repeated device compliance update messages | Thomas A. Bellwood, Robert Glenn Deen, Jeffrey Bruce Lotspiech | 2013-09-03 |
| 8488793 | Efficient rebinding of partitioned content encrypted using broadcast encryption | Thomas A. Bellwood, Robert B. Chumbley, Robert Glenn Deen | 2013-07-16 |
| 8332536 | Content protection continuity through authorized chains of components | Thomas A. Bellwood, Robert B. Chumbley, Jacob D. Eisinger, Travis M. Grigsby | 2012-12-11 |
| 8325926 | Method for providing a broadcast encryption based home security system | Thomas A. Bellwood, Robert B. Chumbley, Alexander Tarpinian | 2012-12-04 |
| 8086628 | Systems and methods for user-constructed hierarchical interest profiles and information retrieval using same | Richard B. Allen, Thomas A. Bellwood, Robert B. Chumbley | 2011-12-27 |
| 7864953 | Adding an additional level of indirection to title key encryption | Julian Ariel Cerruti, Amal Ahmed Shaheen | 2011-01-04 |
| 7756157 | Provisioning bandwidth for a digital media stream | Thomas A. Bellwood, Robert B. Chumbley | 2010-07-13 |
| 7533351 | Method, apparatus, and program for dynamic expansion and overlay of controls | Thomas A. Bellwood, Michael Walker | 2009-05-12 |
| 7426508 | Systems and methods for user-constructed hierarchical interest profiles and information retrieval using same | Richard B. Allen, Thomas A. Bellwood, Robert B. Chumbley | 2008-09-16 |
| 7057640 | Method and apparatus for dynamic burnout imprinting protection with shift correction | Thomas A. Bellwood, Leugim A. Bustelo, Julio Ruano | 2006-06-06 |