Issued Patents All Time
Showing 51–75 of 270 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11733646 | Developing cartridge provided with cover | Naoya Kamimura, Ryuya Yamazaki, Hideshi Nishiyama | 2023-08-22 |
| 11720051 | Cartridge including holder that facilitates recycling of storage medium | Kenta Tosuji, Kazuya Kamikawa | 2023-08-08 |
| 11720049 | Developing cartridge including first cam rotatable with first gear and second cam rotatable with second gear to separate developing roller from photosensitive drum | Atsushi Fukaya, Naoya Kamimura, Daisuke Maeta, Keigo Nakajima | 2023-08-08 |
| 11693353 | Cartridge including holder for holding electrical contact surface and method of recycling cartridge | Kazuya Kamikawa, Shuhei Hatano, Kazuaki Ooka | 2023-07-04 |
| 11693334 | Developing cartridge having coupling and developing roller | Naoya Kamimura | 2023-07-04 |
| 11687016 | Developing cartridge having coupling and developing roller | Naoya Kamimura | 2023-06-27 |
| 11675289 | Developing cartridge capable of reducing size of image forming apparatus | Junichi Yokoi | 2023-06-13 |
| 11669043 | Developing cartridge provided with cover | Naoya Kamimura, Ryuya Yamazaki, Hideshi Nishiyama | 2023-06-06 |
| 11650518 | Developing cartridge capable of reducing size of image forming apparatus | Junichi Yokoi | 2023-05-16 |
| 11644790 | Developing cartridge provided with cover | Naoya Kamimura, Ryuya Yamazaki, Hideshi Nishiyama | 2023-05-09 |
| 11635727 | Method for removing and attaching first holder member relative to second holder member supported by housing in cartridge | Kenta Tosuji, Kazuya Kamikawa | 2023-04-25 |
| 11609536 | Drum cartridge including movable electrical contact surface, and image-forming apparatus using the same | — | 2023-03-21 |
| 11592764 | Developing cartridge | — | 2023-02-28 |
| 11526119 | Developing cartridge including first separation member at first outer surface of casing, and second separation member at second outer surface of casing | Shuhei Hatano, Wataru Yamaguchi, Yasuhiro Hosokawa | 2022-12-13 |
| 11513452 | Developing cartridge | — | 2022-11-29 |
| 11507015 | Image forming apparatus capable of determining whether communication between controller and storage medium of developing cartridge is established | Tadao Kyotani | 2022-11-22 |
| 11500328 | Drum cartridge including electrical contact surface movable relative to drum frame | Naoya Kamimura | 2022-11-15 |
| 11474451 | Developing cartridge | — | 2022-10-18 |
| 11474450 | Developing cartridge | — | 2022-10-18 |
| 11454899 | Toner cartridge having toner memory and attachable to drum cartridge having drum memory | Tsubasa Kiriyama, Hiroki Mori, Atsushi Fukaya | 2022-09-27 |
| 11454925 | Image forming apparatus capable of determining whether toner cartridge is attached to appropriate slot provided in main casing | Takashi Suzuki, Tomoyasu Yabuki, Tadao Kyotani | 2022-09-27 |
| 11442398 | Drum cartridge having electrical contact surface positioned at outer surface of drum frame | Hiroki Mori, Atsushi Fukaya, Tsubasa Kiriyama | 2022-09-13 |
| 11435690 | Cartridge including holder for holding electrical contact surface and method of recycling cartridge | Kazuya Kamikawa, Shuhei Hatano, Kazuaki Ooka | 2022-09-06 |
| 11409210 | Developing cartridge having coupling and developing roller | Naoya Kamimura | 2022-08-09 |
| 11402763 | Developing cartridge | — | 2022-08-02 |