Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5331426 | Image encoding method | Shigeo Kato, Yasuhiko Yasuda | 1994-07-19 |
| 5325448 | Image treatment method and apparatus with error dispersion and controllable quantization | Akihiro Katayama, Akiko Fukuhara | 1994-06-28 |
| 5282256 | Binary image data coding method having the function of correcting errors derived from coding | Akihiro Katayama | 1994-01-25 |