Issued Patents 2022
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 11474450 | Developing cartridge | — | 2022-10-18 |
| 11474451 | Developing cartridge | — | 2022-10-18 |
| 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 |
| 11454899 | Toner cartridge having toner memory and attachable to drum cartridge having drum memory | Tsubasa Kiriyama, Hiroki Mori, Atsushi Fukaya | 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 |
| 11385571 | Developing cartridge including housing and gear | — | 2022-07-12 |
| 11347176 | Image forming apparatus | — | 2022-05-31 |
| 11347162 | Developing cartridge | — | 2022-05-31 |
| 11294325 | Image forming apparatus with a memory positioned on a drum frame | Junichi Yokoi | 2022-04-05 |
| 11287761 | Image forming apparatus having sensor to detect whether developing roller is at separation position | — | 2022-03-29 |
| 11275337 | Developing cartridge | Junichi Yokoi | 2022-03-15 |
| 11262695 | 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 | 2022-03-01 |
| 11226580 | Drum cartridge and image forming apparatus | Atsushi Fukaya, Hiroki Mori, Tsubasa Kiriyama | 2022-01-18 |
| 11221567 | Developing cartridge capable of reducing size of image forming apparatus | Junichi Yokoi | 2022-01-11 |