Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703674 | Image forming device and method having plural image projecting paths | — | 1997-12-30 |
| 5669048 | Exposure device having a movable light-attenuating filter for controlling an amount of exposure light and exposure method thereof | Kanji Nagashima | 1997-09-16 |