Issued Patents All Time
Showing 76–83 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6853564 | Switched linear inductor circuit for switched power supply | — | 2005-02-08 |
| 6738905 | Conditional access via secure logging with simplified key management | David Goldschlag | 2004-05-18 |
| 6353812 | Computer-based method and system for aiding transactions | Yair Frankel, Charles Thomas Montgomery, Marcel Mordechay Yung | 2002-03-05 |
| 6029150 | Payment and transactions in electronic commerce system | — | 2000-02-22 |
| 5995625 | Electronic cryptographic packing | Frank W. Sudia, Alan Asay, Ernest Brickell, Richard Ankney, Peter C. Freund +1 more | 1999-11-30 |
| 5867578 | Adaptive multi-step digital signature system and method of operation thereof | Ernest Brickell, Frank W. Sudia, Peter C. Freund, Patrick Angeles | 1999-02-02 |
| 5832089 | Off-line compatible electronic cash method and system | Peter S. Gemmell, Ernest Brickell | 1998-11-03 |
| 5231668 | Digital signature algorithm | — | 1993-07-27 |