Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10958926 | Digitally watermarked compressed video image sequences | Frederick C. Mintzer | 2021-03-23 |
| 8451472 | Immediate verification of printed copy | — | 2013-05-28 |
| 8023159 | Marking images of text with speckle patterns for theft deterrence | Frederick C. Mintzer | 2011-09-20 |
| 7864349 | Immediate verification of printed copy | — | 2011-01-04 |
| 7583814 | Protecting images with an image watermark | Frederick C. Mintzer | 2009-09-01 |
| 7266216 | Inserting and detecting watermarks in images derived from a source image | Frederick C. Mintzer | 2007-09-04 |
| 7215445 | Method and apparatus to correct distortion of document copies | Frank P. Giordano, Marco Martens, Charles P. Tresser, Chai Wah Wu, Charles A. Micchelli | 2007-05-08 |
| 7130442 | Protecting images with an image watermark | Frederick C. Mintzer | 2006-10-31 |
| 7062067 | Protecting images with multiple image watermarks | Frederick C. Mintzer | 2006-06-13 |
| 6954290 | Method and apparatus to correct distortion of document copies | Frank P. Giordano, Marco Martens, Charles P. Tresser, Chai Wah Wu, Charles A. Micchelli | 2005-10-11 |
| 6915432 | Composing a realigned image | Frederick C. Mintzer | 2005-07-05 |
| 6807634 | Watermarks for customer identification | Marco Martens, Frederick C. Mintzer, James B. Shearer, Charles P. Tresser, Chai Wah Wu | 2004-10-19 |
| 6690383 | Color calibration of displays | Albert N. Cazes, James E. Christensen, Michael James Cordes, Donald M. DeCain, Shui-Chih Lien +2 more | 2004-02-10 |
| 6628802 | Marking and determining distortion in an image | Louis Paul Herzberg | 2003-09-30 |
| 6577744 | Protecting images with an image watermark | Frederick C. Mintzer | 2003-06-10 |
| 6571021 | Recovering an invisible digital image from a distorted image replica | — | 2003-05-27 |
| 6208753 | Quality of digitized images through post-scanning reregistration of their color planes | James E. Christensen, Gerhard Robert Thompson | 2001-03-27 |
| 5825892 | Protecting images with an image watermark | Frederick C. Mintzer | 1998-10-20 |
| 5614925 | Method and apparatus for creating and displaying faithful color images on a computer display | Helen Roxlo Delp | 1997-03-25 |
| 5530759 | Color correct digital watermarking of images | Karen A. Magerlein, Frederick C. Mintzer | 1996-06-25 |
| 5502458 | Method and apparatus for creating and displaying faithfull color images on a computer display | Helen Roxlo Delp | 1996-03-26 |
| 5136714 | Method and apparatus for implementing inter-processor interrupts using shared memory storage in a multi-processor computer system | Ben J. Nathanson | 1992-08-04 |
| 4907075 | Method for selecting colors | — | 1990-03-06 |
| 4712214 | Protocol for handling transmission errors over asynchronous communication lines | Clifford B. Meltzer, Krishnamurthi Kannan, Thomas G. Burket, Deborah J. Kruesi | 1987-12-08 |