Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890138 | Image forming apparatus having a plurality of developing devices | Naoyoshi Kinoshita | 1989-12-26 |
| 4868606 | Copying apparatus capable of forming various types of images | Keiji Kusumoto | 1989-09-19 |
| 4855787 | Image duplicating apparatus having plural copying modes and plural sheet feeding arrangements | Kaoru Hashimoto | 1989-08-08 |
| 4853739 | Illuminating device for image exposure | Yasuyuki Matsuuchi | 1989-08-01 |