| 10032211 |
Anonymous electronic transactions |
Robert Sullivan |
2018-07-24 |
$23,531,000 |
| 8417216 |
Anonymous electronic transactions |
Robert Sullivan |
2013-04-09 |
$21,775,000 |
| 7434261 |
System and method of identifying the source of an attack on a computer network |
Mihai Costea |
2008-10-07 |
$26,037,000 |
| 7242921 |
Anonymous electronic transactions |
Rob Sullivan |
2007-07-10 |
$14,625,000 |
| 7054479 |
Segmenting three-dimensional video images using stereo |
David A. Romrell |
2006-05-30 |
$15,171,000 |
| 6873723 |
Segmenting three-dimensional video images using stereo |
David A. Romrell |
2005-03-29 |
$48,968,000 |
| 6542610 |
Content protection for digital transmission systems |
Chandler Brendan Stanton Traw |
2003-04-01 |
$56,060,000 |
| 6532194 |
Method and apparatus for providing certified time |
— |
2003-03-11 |
$91,804,000 |
| 6253323 |
Object-based digital signatures |
George W. Cox, Paul E. Onnen |
2001-06-26 |
$197,004,000 |
| 6243793 |
Protocol for arbitrating access to a shared memory area using historical state information |
Robert Knauerhase, James C. Stanley |
2001-06-05 |
$206,071,000 |
| 6205550 |
Tamper resistant methods and apparatus |
Joseph M. Nardone, Richard P. Mangold, Jody L. Pfotenhauer, Keith L. Shippy, Richard L. Maliszewski +1 more |
2001-03-20 |
$120,552,000 |
| 6178509 |
Tamper resistant methods and apparatus |
Joseph M. Nardone, Richard Mangold, Jody L. Pfotenhauer, Keith L. Shippy, Richard L. Maliszewski +1 more |
2001-01-23 |
$255,018,000 |
| 6175925 |
Tamper resistant player for scrambled contents |
Joseph M. Nardone, Richard P. Mangold, Jody L. Pfotenhauer, Keith L. Shippy, Richard L. Maliszewski +1 more |
2001-01-16 |
$216,902,000 |
| 6175626 |
Digital certificates containing multimedia data extensions |
George W. Cox, Paul E. Onnen |
2001-01-16 |
$216,902,000 |
| 6148407 |
Method and apparatus for producing computer platform fingerprints |
— |
2000-11-14 |
$197,588,000 |
| 6134551 |
Method of caching digital certificate revocation lists |
— |
2000-10-17 |
$234,968,000 |
| 6069647 |
Conditional access and content security method |
Robert Sullivan, John M. Acken |
2000-05-30 |
$225,862,000 |
| 6041122 |
Method and apparatus for hiding crytographic keys utilizing autocorrelation timing encoding and computation |
Gary L. Graunke |
2000-03-21 |
$323,907,000 |
| 5991403 |
Recoverable cryptographic transformation on YUV data suitable for compressions |
Joseph M. Nardone, Robert Sullivan |
1999-11-23 |
$130,919,000 |
| 5949877 |
Content protection for transmission systems |
Chandler Brendan Stanton Traw |
1999-09-07 |
$115,425,000 |
| 5940513 |
Parameterized hash functions for access control |
Robert Knauerhase |
1999-08-17 |
$138,414,000 |
| 5936226 |
Mass storage device adapter for smart cards |
— |
1999-08-10 |
$109,908,000 |
| 5933502 |
Method and apparatus for enhancing the integrity of visual authentication |
Raymond J. Werner |
1999-08-03 |
$168,638,000 |
| 5915018 |
Key management system for DVD copyright management |
— |
1999-06-22 |
$240,692,000 |
| 5892899 |
Tamper resistant methods and apparatus |
Gary L. Graunke |
1999-04-06 |
$71,710,000 |