Issued Patents All Time
Showing 751–757 of 757 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5867755 | Electrophotographic type image forming device and developing roller for use in the device | — | 1999-02-02 |
| 5839034 | Image forming device having a photosensitive drum and developing roller that rotate in the same direction | — | 1998-11-17 |
| 5752146 | Electrophotographic type image forming device providing positive charge to toners | — | 1998-05-12 |
| 5576809 | Charge screening member for a corona discharge device of an image forming apparatus | Hiroaki Yazawa, Shinji Ito, Tomoaki Hattori | 1996-11-19 |
| 5559544 | Image forming apparatus with cooperating housing structure | — | 1996-09-24 |
| 5535088 | Contacting charging device for electrostatic photoreceptor drum | Ding-Yu Chen, Makoto Suzuki | 1996-07-09 |
| 5151586 | Scanning exposure device provided with intensity correction to compensate for scan angle | Tsuyoshi Ohashi, Shinichi Hirahata | 1992-09-29 |