Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7453600 | Text region identification and enhancement during color copy | Derek T. Walton | 2008-11-18 |
| 6614556 | Apparatus for quantizing a digital image by using an error diffusion coefficient and threshold modulation in zigzag quantization | Doo-Eui Hong, Choon-woo Kim | 2003-09-02 |