Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6753978 | Higher order error diffusion of digital halftoning | — | 2004-06-22 |
| 6707576 | Noise modulation error diffusion of digital halftoning | — | 2004-03-16 |
| 6701009 | Method of separated color foreground and background pixel improvement | Otsu Makoto | 2004-03-02 |