Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8793500 | Hybrid signature scheme | Scott A. Vanstone, Robert Gallant, Robert John Lambert, Leon A. Pintsov, Frederick W. Ryan, Jr. | 2014-07-29 |
| 8195948 | Hybrid signature scheme | Scott A. Vanstone, Robert Gallant, Robert John Lambert, Leon A. Pinstov, Frederick W. Ryan, Jr. | 2012-06-05 |
| 7877610 | Hybrid signature scheme | Scott A. Vanstone, Robert Gallant, Robert John Lambert, Leon A. Pintsov, Frederick W. Ryan, Jr. | 2011-01-25 |
| 7249259 | Hybrid signature scheme | Scott A. Vanstone, Robert Gallant, Robert John Lambert, Leon A. Pintsov, Frederick W. Ryan, Jr. | 2007-07-24 |
| 6724894 | Cryptographic device having reduced vulnerability to side-channel attack and method of operating same | — | 2004-04-20 |
| 6295359 | Method and apparatus for distributing keys to secure devices such as a postage meter | Robert A. Cordery, Frederick W. Ryan, Jr. | 2001-09-25 |