Issued Patents 2023
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11853000 | Image forming apparatus with a memory positioned on a drum frame | Junichi Yokoi | 2023-12-26 |
| 11853002 | Drum unit having electrical contact surface positioned at outer surface of frame and image forming apparatus provided with the same | Isao Kishi, Yohei Hashimoto, Kouji Watanabe, Makoto Souda | 2023-12-26 |
| 11835877 | Developing cartridge having casing and developing roller that are movable according to movement of a lever | — | 2023-12-05 |
| RE49689 | Developing cartridge capable of releasing meshing between gear and rack gear | — | 2023-10-10 |
| 11762331 | Drum cartridge including electrical contact surface movable relative to drum frame | Naoya Kamimura | 2023-09-19 |
| 11762312 | Developing cartridge including movable plate for moving holder holding electrical contact surface | Naoya Kamimura, Tomitake Aratachi, Yasuo Fukamachi, Junichi Hashimoto, Saya Minoshima +4 more | 2023-09-19 |
| 11754941 | Developing cartridge | — | 2023-09-12 |
| 11747765 | Developing cartridge including developing roller and coupling | Hideshi Nishiyama, Yasuo Fukamachi | 2023-09-05 |
| 11733646 | Developing cartridge provided with cover | Naoya Kamimura, Ryuya Yamazaki, Hideshi Nishiyama | 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 | Atsushi Fukaya, Naoya Kamimura, Daisuke Maeta, Keigo Nakajima | 2023-08-08 |
| 11720051 | Cartridge including holder that facilitates recycling of storage medium | Kenta Tosuji, Kazuya Kamikawa | 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 |