Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6366702 | Method of and apparatus for image processing | Mitsuru Obara, Atsushi Ishikawa | 2002-04-02 |
| 6356361 | Image processing apparatus and method for processing gradation image data using error diffusion | Atsushi Ishikawa | 2002-03-12 |