Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5337167 | Halftone image forming apparatus including density based dot enlargement | Seiichiro Hiratsuka | 1994-08-09 |
| 5325153 | Color image formation apparatus with density measurement | Toshihiko Mitsuse | 1994-06-28 |