Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8477169 | Optical writing device, image forming apparatus, and optical writing method | — | 2013-07-02 |
| 8199376 | Image forming apparatus and image forming method | — | 2012-06-12 |
| 8076626 | Light amount control, optical writing, and image forming apparatuses having a plurality of drive-current setting units | Kenichi Ono | 2011-12-13 |
| 8077359 | Image processing system and image forming apparatus incorporating same | Yumiko Kishi, Tatsuo OHYAMA, Hidetoshi Yamashita, Nobuyoshi Kaima | 2011-12-13 |
| 6917374 | Image forming apparatus having an exposure device changing pulse width of a light beam based on pattern data of an image | — | 2005-07-12 |