Issued Patents 2022
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11378895 | Image forming apparatus with developing roller separation processing | Yusuke Ikegami, Junya Sumida, Chieko Mimura, Shintaro Sakaguchi | 2022-07-05 |
| 11372362 | Image forming apparatus including cam having compact structure capable of detection of contact state and separated state of developing roller relative to photosensitive drum | Yusuke Ikegami, Masahito Saeki, Shintaro Sakaguchi | 2022-06-28 |
| 11353806 | Image forming apparatus configured to stop conveyance of sheet for prescribed time period before conveying sheet to photosensitive drum when sheet is fed from first tray | Shintaro Sakaguchi, Masahito Saeki | 2022-06-07 |
| 11334022 | Image forming apparatus including common drive source for driving developing roller and cam that moves developing roller toward and away from photosensitive drum | Yusuke Ikegami, Masahito Saeki, Shintaro Sakaguchi | 2022-05-17 |
| 11256190 | Image forming apparatus | Yusuke Ikegami, Shintaro Sakaguchi | 2022-02-22 |
| 11237497 | Image forming apparatus including multiple photosensitive drums and multiple developing rollers | Shintaro Sakaguchi, Masahito Saeki | 2022-02-01 |
| 11231659 | Image forming apparatus which switches from color to monochrome mode with charging and developing bias reduction | Junya Sumida, Shunsuke Ishii, Toshio Furukawa, Shintaro Sakaguchi | 2022-01-25 |