Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10802990 | Hardware based mandatory access control | William E. Hall, Guerney D. H. Hunt, Mark F. Mergen, David R. Safford, David C. Toll | 2020-10-13 |
| 10255463 | Secure computer architecture | William E. Hall, Guerney D. H. Hunt, Mark F. Mergen, David R. Safford, David C. Toll | 2019-04-09 |
| 9996709 | Secure computer architecture | William E. Hall, Guerney D. H. Hunt, Mark F. Mergen, David R. Safford, David C. Toll | 2018-06-12 |
| 9075644 | Secure recursive virtualization | William E. Hall, Guerney D. H. Hunt, Suzanne K. McIntosh, Mark F. Mergen, David R. Safford +1 more | 2015-07-07 |
| 8850557 | Processor and data processing method with non-hierarchical computer security enhancements for context states | Richard H. Boivie, William E. Hall, Guerney D. H. Hunt, Suzanne K. McIntosh, Mark F. Mergen +3 more | 2014-09-30 |
| 8301863 | Recursive logical partition real memory map | William E. Hall, Guerney D. H. Hunt, Mark F. Mergen, David R. Safford | 2012-10-30 |
| 8286164 | Secure recursive virtualization | William E. Hall, Guerney D. H. Hunt, Suzanne K. McIntosh, Mark F. Mergen, David R. Safford +1 more | 2012-10-09 |
| 8276192 | System and method for security planning with hard security constraints | Kay S. Anderson, Pau-Chen Cheng, Genady Grabarnik, Marc Lelarge, Zhen Liu +4 more | 2012-09-25 |
| 8135937 | Logical partition memory | William E. Hall, Guerney D. H. Hunt, Mark F. Mergen, David R. Safford, David C. Toll | 2012-03-13 |
| 8135766 | Method, apparatus and system for resistance to side channel attacks on random number generators | Suresh N. Chari, Vincenzo V. Diluoffo, Elaine R. Palmer, Tal Rabin, Josyula R. Rao +4 more | 2012-03-13 |
| 8099781 | Method of managing and mitigating security risks through planning | Kay S. Anderson, Pau-Chen Cheng, Mark D. Feblowitz, Genady Grabarnik, Shai Halevi +9 more | 2012-01-17 |
| 8087090 | Fuzzy multi-level security | Pau-Chen Cheng, Shai Halevi, Trent R. Jaeger, Ronald Perez, Pankaj Rohatgi +3 more | 2011-12-27 |
| 7861305 | Method and system for hardware based program flow monitor for embedded software | Suzanne K. McIntosh, Daniel Brand, Matthew Kaplan, Michael McIntosh, Elaine R. Palmer +3 more | 2010-12-28 |
| 7832007 | Method of managing and mitigating security risks through planning | Kay S. Anderson, Pau-Chen Cheng, Mark D. Feblowitz, Genady Grabarnik, Shai Halevi +9 more | 2010-11-09 |
| 7530110 | System and method for fuzzy multi-level security | Pau-Chen Cheng, Shai Halevi, Trent R. Jaeger, Ronald Perez, Pankaj Rohatgi +3 more | 2009-05-05 |
| 7496616 | Method, apparatus and system for resistance to side channel attacks on random number generators | Suresh N. Chari, Vincenzo V. Diluoffo, Elaine R. Palmer, Tal Rabin, Josyula R. Rao +4 more | 2009-02-24 |
| 6430561 | Security policy for protection of files on a storage device | Vernon Ralph Austel, David C. Toll | 2002-08-06 |
| 6052469 | Interoperable cryptographic key recovery system with verification by comparison | Donald B. Johnson, Charles W. Kaufman, Stephen M. Matyas, David R. Safford, Marcel Mordechay Yung +1 more | 2000-04-18 |
| 5937066 | Two-phase cryptographic key recovery system | Rosario Gennaro, Donald B. Johnson, Stephen M. Matyas, Mohammad Peyravian, David R. Safford +2 more | 1999-08-10 |
| 5907618 | Method and apparatus for verifiably providing key recovery information in a cryptographic system | Rosario Gennaro, Stephen M. Matyas, Mohammad Peyravian, David R. Safford, Nevenko Zunic | 1999-05-25 |
| 5815573 | Cryptographic key recovery system | Donald B. Johnson, Charles W. Kaufman, Stephen M. Matyas, Marcel Mordechay Yung, Nevenko Zunic | 1998-09-29 |
| 5796830 | Interoperable cryptographic key recovery system | Donald B. Johnson, Charles W. Kaufman, Stephen M. Matyas, David R. Safford, Marcel Mordechay Yung +1 more | 1998-08-18 |
| 5339449 | System and method for reducing storage channels in disk systems | Andrew H. Mason, John Clay Richard Wray, Paul T. Robinson, Anthony L. Priborsky, Clifford E. Kahn +1 more | 1994-08-16 |
| 5220661 | System and method for reducing timing channels in digital data processing systems | Wei-Ming Hu, Clifford E. Kahn, Andrew H. Mason, Paul T. Robinson, John Clay Richard Wray | 1993-06-15 |
| 5210874 | Cross-domain call system in a capability based digital data processing system | — | 1993-05-11 |