Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8180708 | Watermarking system that executes received watermarking instructions to embed a watermark | Kenneth L. Milsted, Kha D. Nguyen | 2012-05-15 |
| 7614077 | Persistent access control of protected content | Glenn E. Brew, David Medina, Jonathan Paul Munson, Stefan Nusser, Giovanni Pacifici +1 more | 2009-11-03 |
| 7590866 | Super-distribution of protected digital content | James C. Mahlbacher, Richard L. Spagna | 2009-09-15 |
| 7487128 | Updating usage conditions in lieu of download digital rights management protected content | Richard L. Spagna, Paul R. Rettig, Ting Zhao | 2009-02-03 |
| 7110984 | Updating usage conditions in lieu of download digital rights management protected content | Richard L. Spagna, Paul R. Rettig, Ting Zhao | 2006-09-19 |
| 6983371 | Super-distribution of protected digital content | James C. Mahlbacher, Richard L. Spagna | 2006-01-03 |
| 6832198 | Split and joint compressed audio with minimum mismatching and distortion | Kha D. Nguyen, Craig N. Kindell, Kenneth L. Milsted | 2004-12-14 |
| 6611812 | Secure electronic content distribution on CDS and DVDs | Kenneth L. Milsted, George Gregory Gruse, Edgar Downs, Christopher T. Lehman, Richard L. Spagna +1 more | 2003-08-26 |
| 6574609 | Secure electronic content management system | Edgar Downs, George Gregory Gruse, Cesar Medina, Kenneth L. Milsted | 2003-06-03 |
| 6418421 | Multimedia player for an electronic content delivery system | George Gregory Gruse, Edgar Downs, Kenneth L. Milsted | 2002-07-09 |
| 6398245 | Key management system for digital content player | George Gregory Gruse, Kenneth L. Milsted, Jeffrey Bruce Lotspiech | 2002-06-04 |
| 6226618 | Electronic content delivery system | Edgar Downs, George Gregory Gruse, Christopher T. Lehman, Kenneth L. Milsted, Jeffrey Bruce Lotspiech | 2001-05-01 |
| 6173112 | Method and system for recording in-progress broadcast programs | George Gregory Gruse, Kenneth L. Milsted, Glen E. Hamblin | 2001-01-09 |
| 5493651 | Method and system for dequeuing connection requests in a simplex switch | Richard S. Crouse, John J. Cazzolla, Luke Chang, Kha D. Nguyen, Jose L. Rivero +2 more | 1996-02-20 |
| 5317565 | Method of sequencing bus operations in a simplex switch | Richard S. Crouse, John J. Cazzolla, Luke Chang, Kha D. Nguyen, Jose L. Rivero +2 more | 1994-05-31 |
| 5309426 | High performance cascadable simplex switch | Richard S. Crouse, John J. Cazzolla, Luke Chang, Kha D. Nguyen, Jose L. Rivero +2 more | 1994-05-03 |