Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7711666 | Reduction of memory usage for prime number storage by using a table of differences between a closed form numerical function and prime numbers which bounds a prime numeral between two index values | Sam Noble | 2010-05-04 |
| 7650507 | Small memory footprint fast elliptic encryption | Douglas P. Mitchell | 2010-01-19 |
| 7643693 | Fast lossless encoder for digitized analog data | Evan T Jones, Jason Klivington, Mitchell Howard Oslick | 2010-01-05 |
| 7607019 | Small memory footprint fast elliptic encryption | Douglas P. Mitchell | 2009-10-20 |
| 7603560 | Method and apparatus for digital signature authentication | — | 2009-10-13 |
| 7587047 | Chaos generator for accumulation of stream entropy | Douglas P. Mitchell, Scott Krueger, Guy L. Tribble | 2009-09-08 |
| 7487346 | Techniques and graphical user interfaces for categorical shuffle | Thomas Dowdy | 2009-02-03 |
| 7206001 | Fractal-dithering technique for image display | Evan T Jones, Jason Klivington | 2007-04-17 |
| 6998217 | Critical dimension edge placement and slope enhancement with central pixel dose addition and modulated inner pixels | Jerry Martyniuk, H. Christopher Hamaker, Matthew J. Jolley, Peter Pirogovsky, Asher Klatchko | 2006-02-14 |
| 6912323 | Method and apparatus for fast signal convolution using separated-spline kernel | David Jeremy Copeland, Ulrich Hofmann, Richard L. Lozes | 2005-06-28 |
| 6898287 | Cryptographic system using chaotic dynamics | — | 2005-05-24 |
| 6751318 | Method and apparatus for digital signature authentication | — | 2004-06-15 |
| 6701028 | Method and apparatus for fast signal convolution using spline kernel | — | 2004-03-02 |
| 6587563 | Cryptographic system using chaotic dynamics | — | 2003-07-01 |
| 6433707 | Universal lossless compressor for digitized analog data | — | 2002-08-13 |
| 6307935 | Method and apparatus for fast elliptic encryption with direct embedding | Blaine Garst | 2001-10-23 |
| 6285760 | Method and apparatus for digital signature authentication | — | 2001-09-04 |
| 6154542 | Method and apparatus for simultaneously encrypting and compressing data | — | 2000-11-28 |
| 6049610 | Method and apparatus for digital signature authentication | — | 2000-04-11 |
| 5805703 | Method and apparatus for digital signature authentication | — | 1998-09-08 |
| 5581616 | Method and apparatus for digital signature authentication | — | 1996-12-03 |
| 5463690 | Method and apparatus for public key exchange in a cryptographic system | — | 1995-10-31 |
| 5271061 | Method and apparatus for public key exchange in a cryptographic system | — | 1993-12-14 |
| 5159632 | Method and apparatus for public key exchange in a cryptographic system | — | 1992-10-27 |
| 4922925 | Computer based upper extremity evaluation system | Paul M. Weeks, Michael W. Vannier | 1990-05-08 |