Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5068746 | Image processing apparatus | Hidefumi Ohsawa, Akihiro Katayama, Hiroshi Hosokawa, Masahiko Yoshimoto | 1991-11-26 |
| 4878125 | Method and apparatus for image processing with fed-back error correction | Akihiro Katayama, Hidefumi Ohsawa, Hiroshi Hosokawa, Masahiko Yoshimoto | 1989-10-31 |
| 4876610 | Image processing apparatus with binarization-error dispersal | Hidefumi Ohsawa, Akihiro Katayama, Hiroshi Hosokawa, Masahiko Yoshimoto | 1989-10-24 |