Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6693724 | Apparatus and method converting continuous tone data to multiple-valued data | — | 2004-02-17 |
| 6654142 | Image data processor | — | 2003-11-25 |
| 6343196 | Image forming apparatus and driving method thereof | Jin-su Yun | 2002-01-29 |