Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7864953 | Adding an additional level of indirection to title key encryption | Julian Ariel Cerruti, Matthew F. Rutkowski | 2011-01-04 |
| 7756830 | Error detection protocol | Ching-Yun Chao, Roger E. Hough, Rodolfo Augusto Mancisidor-Landa, Javashree Ramanathan | 2010-07-13 |
| 7613303 | Controlling delivery of broadcast encryption content for a network cluster from a content server outside the cluster | Eunjin Jung | 2009-11-03 |
| 7519181 | System and method for enforcing network cluster proximity requirements using a proxy | Tommy McGuire | 2009-04-14 |
| 7412063 | Controlling delivery of broadcast encryption content for a network cluster from a content server outside the cluster | Eunjin Jung | 2008-08-12 |
| 6823457 | Method and system for verifying control accesses between a device on a non-proprietary bus and a device on a proprietary bus | Viktors Berstis, George W. Van Leeuwen, Steven M. Pritko | 2004-11-23 |
| 6748381 | Apparatus and method for maintaining consistency of shared data resources in a cluster environment | Ching-Yun Chao, Roger E. Hough | 2004-06-08 |
| 6587860 | Apparatus and method for tracking access to data resources in a cluster environment | Tushar Deepak Chandra, Ching-Yun Chao, Roger E. Hough, Daniel Ming-Te Hsieh, Rodolfo Augusto Mancisidor-Landa +1 more | 2003-07-01 |
| 6549972 | Method and system for providing control accesses between a device on a non-proprietary bus and a device on a proprietary bus | Viktors Berstis, George W. Van Leeuwen, Steven M. Pritko | 2003-04-15 |
| 6529960 | Method and system for replicating data in a distributed computer environment | Ching-Yun Chao, Roger E. Hough | 2003-03-04 |
| 6363495 | Method and apparatus for partition resolution in clustered computer systems | Kenneth Bruce MacKenzie, Richard James McCarty | 2002-03-26 |
| 6338092 | Method, system and computer program for replicating data in a distributed computed environment | Ching-Yun Chao, Roger E. Hough | 2002-01-08 |
| 6335937 | Node failure recovery in a hub and spoke data replication mechanism | Ching-Yun Chao, Roger E. Hough | 2002-01-01 |
| 6119151 | System and method for efficient cache management in a distributed file system | Thomas George Cantrell, Sebnem Jaji, Richard B. Ward | 2000-09-12 |
| 6052785 | Multiple remote data access security mechanism for multitiered internet computer networks | David Lin, Krishna K. Yellepeddy | 2000-04-18 |
| 6032227 | System and method for cache management in mobile user file systems | Krishna K. Yellepeddy | 2000-02-29 |
| 5893920 | System and method for cache management in mobile user file systems | Krishna K. Yellepeddy | 1999-04-13 |
| 5634122 | System and method for multi-level token management for distributed file systems | Larry K. Loucks | 1997-05-27 |
| 5434994 | System and method for maintaining replicated data coherency in a data processing system | Krishna K. Yellepeddy | 1995-07-18 |