Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5339171 | Image processing apparatus especially suitable for producing smooth-edged output multi-level tone data having fewer levels than input multi-level tone data | Yukio Sakano | 1994-08-16 |
| 5289294 | Image processing apparatus | — | 1994-02-22 |
| 5283664 | Apparatus for converting and processing input bi-level image data and faithfully rendering tones, colors, and edges | Yukio Sakano, Toshiya Hikita | 1994-02-01 |