Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12197157 | Image forming apparatus | Yusuke Mizuno, Noriaki Kishimoto | 2025-01-14 |
| 12181807 | Image forming apparatus and method to determine control temperatures for cooling control of inside of the image forming apparatus | Yusuke Mizuno | 2024-12-31 |
| 12044999 | Image forming apparatus and method for controlling the same | Sadaharu Kato, Kazuna Taguchi, Mingguang Zhang, Shunsuke Ueki, Yusuke Mizuno | 2024-07-23 |
| 11886132 | Transfer belt unit including transfer belt and belt memory configured to store therein | Yusuke Ikegami | 2024-01-30 |
| 11783151 | Image forming apparatus | Shuhei Fukue, Shunsuke Ueki, Yusuke Mizuno | 2023-10-10 |
| 11726424 | Image forming apparatus | Yasuhiro Suzuki, Saya Minoshima | 2023-08-15 |
| 11673757 | Image forming apparatus | Toshiyuki Sano | 2023-06-13 |
| 11669029 | Image forming apparatus performing curl suppressing process | Noriaki Kishimoto, Shuhei Fukue, Shunsuke Ueki | 2023-06-06 |
| 11650519 | Image forming apparatus and method to determine control temperatures for cooling control of inside of the image forming apparatus | Yusuke Mizuno | 2023-05-16 |
| 11640133 | Image forming apparatus capable of calculating deterioration quantity of photosensitive drum based on the number of rotations in contact and separation states | Chieko Mimura, Yusuke Ikegami | 2023-05-02 |
| 11592771 | Image forming apparatus | Yusuke Ikegami, Yasuhiro Suzuki, Saya Minoshima | 2023-02-28 |
| 11550248 | Image forming apparatus and method for controlling the same | Shunsuke Ueki, Tomonori Watanabe, Mingguang Zhang, Yusuke Mizuno | 2023-01-10 |
| 11548749 | Image forming apparatus | Yusuke Ikegami, Toshiyuki Sano | 2023-01-10 |
| 11415927 | Image forming apparatus | Yusuke Ikegami, Kotaro Haruta | 2022-08-16 |
| 11402769 | Image forming apparatus and control method therefor | Yusuke Ikegami, Kotaro Haruta, Yuwen Wang | 2022-08-02 |
| 11378895 | Image forming apparatus with developing roller separation processing | Toshiyuki Sano, Yusuke Ikegami, Junya Sumida, Chieko Mimura | 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, Toshiyuki Sano | 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 | Toshiyuki Sano, 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, Toshiyuki Sano | 2022-05-17 |
| 11256190 | Image forming apparatus | Yusuke Ikegami, Toshiyuki Sano | 2022-02-22 |
| 11237497 | Image forming apparatus including multiple photosensitive drums and multiple developing rollers | Toshiyuki Sano, 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, Toshiyuki Sano | 2022-01-25 |
| 11209744 | Image forming apparatus having cartridge and exposure device | Masahito Saeki, Toshiyuki Sano, Kotaro Haruta, Shoichiro Nishimura | 2021-12-28 |
| 11181857 | Image forming apparatus moving developing rollers toward and away from corresponding photosensitive drums based on sheet interval between two sheets | Yusuke Ikegami, Masahito Saeki, Toshiyuki Sano | 2021-11-23 |
| 11163258 | Image forming apparatus having movable developing roller with bidirectionally-rotatable cam | Toshiyuki Sano, Yusuke Ikegami | 2021-11-02 |