Issued Patents All Time
Showing 51–61 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8145909 | Digitally signing an electronic document using seed data | Andrei Sheretov, John Landwehr | 2012-03-27 |
| 8099594 | Certificate processing | Andrei Sheretov | 2012-01-17 |
| 8024561 | Using digital certificates to facilitate enforcement of product licenses | Sujata Das, Charles R. Myers, IV | 2011-09-20 |
| 8010784 | Method and apparatus for achieving conformant public key infrastructures | Andrei Sheretov | 2011-08-30 |
| 8005216 | Method and apparatus providing confidentiality, integrity and authenticity for a video file | — | 2011-08-23 |
| 7996672 | Support for multiple digital rights management systems for same content | Katherine K. Nadell, Viswanathan Swaminathan | 2011-08-09 |
| 7827399 | Certificate processing | Andrei Sheretov | 2010-11-02 |
| 7774608 | Author signatures for legal purposes | James D. Pravetz, Krish Chaudhury | 2010-08-10 |
| 7735144 | Document modification detection and prevention | James D. Pravetz, Krish Chaudhury | 2010-06-08 |
| 7581106 | Using digital certificates to facilitate enforcement of product licenses | Sujata Das, Charles R. Myers, IV | 2009-08-25 |
| 7315947 | Author signatures for legal purposes | James D. Pravetz, Krish Chaudhury | 2008-01-01 |