Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8355526 | Digitally watermarking holograms | Hugh L. Brunk, J. Scott Carr, Geoffrey B. Rhoads, Neil E. Lofgren | 2013-01-15 |
| 7684623 | Pattern recognition of objects in image streams | Lance Lixin Shen, Clayton L. Davidson | 2010-03-23 |
| 7587066 | Method for detecting fraud in a value document such as a check | Robert A. Cordery, Bertrand Haas, Hongmei Gou | 2009-09-08 |
| 7561714 | Reversible watermarking | Jun Tian | 2009-07-14 |
| 7502759 | Digital watermarking methods and related toy and game applications | Brett T. Hannigan, Ravi K. Sharma, Phillip Andrew Seder, Tony F. Rodriguez, Andrew Evan Klonsky | 2009-03-10 |
| 7151854 | Pattern recognition of objects in image streams | Lance Lixin Shen, Clayton L. Davidson | 2006-12-19 |
| 7054461 | Authenticating printed objects using digital watermarks associated with multidimensional quality metrics | Claude Zeller, Donald G. Mackay, William Kilmartin, Robert A. Cordery, William A. Brosseau +2 more | 2006-05-30 |
| 7020303 | Feature-based watermarks and watermark detection strategies | Kenneth L. Levy | 2006-03-28 |
| 6882737 | Digitally watermarking holograms for identity documents | Neil E. Lofgren, Hugh L. Brunk, J. Scott Carr | 2005-04-19 |
| 6782115 | Watermark holograms | Hugh L. Brunk, J. Scott Carr, Geoffrey B. Rhoads | 2004-08-24 |
| 6714683 | Wavelet based feature modulation watermarks and related applications | Jun Tian | 2004-03-30 |
| 6683966 | Watermarking recursive hashes into frequency domain regions | Jun Tian, Hugh L. Brunk | 2004-01-27 |
| 6608911 | Digitally watermaking holograms for use with smart cards | Neil E. Lofgren, Hugh L. Brunk, J. Scott Carr | 2003-08-19 |
| 4504880 | Integrated magnetic recording head assembly including an inductive write subassembly and a magnetoresistive read subassembly | Mark A. Church | 1985-03-12 |