Issued Patents All Time
Showing 26–50 of 270 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12117745 | Developing cartridge having coupling and developing roller | Naoya Kamimura | 2024-10-15 |
| 12103296 | Layer transfer film cartridge and layer transfer device | Tomoya Ichikawa | 2024-10-01 |
| 12092992 | Developing cartridge including developing roller and coupling | Hideshi Nishiyama, Yasuo Fukamachi | 2024-09-17 |
| 12072665 | Drum cartridge having electrical contact surface positioned at outer surface of drum frame | Hiroki Mori, Atsushi Fukaya, Tsubasa Kiriyama | 2024-08-27 |
| 12066784 | Image forming apparatus | Misato Osuka, Keita Shimizu, Go Iwasa, Kazutoshi Nakamura, Ryosuke Hayashi +6 more | 2024-08-20 |
| 12045003 | Method for removing and attaching first holder member relative to second holder member supported by housing in cartridge | Kenta Tosuji, Kazuya Kamikawa | 2024-07-23 |
| 12032326 | Cartridge including holder for holding electrical contact surface and method of recycling cartridge | Kazuya Kamikawa, Shuhei Hatano, Kazuaki Ooka | 2024-07-09 |
| 12025948 | Drum cartridge including electrical contact surface movable relative to drum frame | Naoya Kamimura | 2024-07-02 |
| 12007707 | Developing cartridge including housing and gear | — | 2024-06-11 |
| 11988978 | Developing cartridge capable of reducing size of image forming apparatus | Junichi Yokoi | 2024-05-21 |
| 11988977 | Developing cartridge | — | 2024-05-21 |
| 11947306 | Developing cartridge including electrically non-conductive collar covering end portion of developing-roller shaft | Shuhei Hatano | 2024-04-02 |
| 11934143 | Drum cartridge including movable electrical contact surface, and image-forming apparatus using the same | — | 2024-03-19 |
| 11899387 | Image-forming device performing printing process according to mode switched between normal printing mode and extended printing mode | Tadao Kyotani, Takashi Suzuki, Shingo Fujiwara | 2024-02-13 |
| 11880159 | Image forming apparatus | — | 2024-01-23 |
| 11868081 | Image forming apparatus capable of determining whether communication between controller and storage medium of developing cartridge is established | Tadao Kyotani | 2024-01-09 |
| 11860568 | Developing cartridge | Junichi Yokoi | 2024-01-02 |
| 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 |