Issued Patents 2023
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11762312 | Developing cartridge including movable plate for moving holder holding electrical contact surface | Tomitake Aratachi, Yasuo Fukamachi, Junichi Hashimoto, Saya Minoshima, Nao Itabashi +4 more | 2023-09-19 |
| 11762331 | Drum cartridge including electrical contact surface movable relative to drum frame | Nao Itabashi | 2023-09-19 |
| 11733646 | Developing cartridge provided with cover | Nao Itabashi, Ryuya Yamazaki, Hideshi Nishiyama | 2023-08-22 |
| 11733643 | Developing cartridge including supply roller, layer thickness regulation blade, and supply electrode electrically connected to both supply roller and layer thickness regulation blade | Atsushi Fukaya, Tomoya Ichikawa, Koji Abe | 2023-08-22 |
| 11720049 | Developing cartridge including first cam rotatable with first gear and second cam rotatable with second gear to separate developing roller from photosensitive drum | Nao Itabashi, Atsushi Fukaya, Daisuke Maeta, Keigo Nakajima | 2023-08-08 |
| 11693334 | Developing cartridge having coupling and developing roller | Nao Itabashi | 2023-07-04 |
| 11687030 | Drum cartridge including electrical contact surface positioned at outer surface of drum frame | Koji Abe | 2023-06-27 |
| 11687016 | Developing cartridge having coupling and developing roller | Nao Itabashi | 2023-06-27 |
| 11669043 | Developing cartridge provided with cover | Nao Itabashi, Ryuya Yamazaki, Hideshi Nishiyama | 2023-06-06 |
| 11650520 | Toner cartridge having electrical contact surface that can contact electrical contact surface of drum cartridge in accordance with pivotal movement of casing | Hideshi Nishiyama, Masaaki Furukawa | 2023-05-16 |
| 11644790 | Developing cartridge provided with cover | Nao Itabashi, Ryuya Yamazaki, Hideshi Nishiyama | 2023-05-09 |
| 11586123 | Process cartridge including frame having photosensitive drum, drum coupling and flanged fixed to photosensitive drum | Atsuhisa Nakashima | 2023-02-21 |
| 11579543 | Developer cartridge provided with gear having engagement portions | Keita Shimizu, Takashi Shimizu, Hideshi Nishiyama, Tomonori Watanabe | 2023-02-14 |