Issued Patents 2023
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11846896 | Toner cartridge including movable shutter provided with protrusion on which electrical contact surface is provided | Masaaki Furukawa | 2023-12-19 |
| 11747765 | Developing cartridge including developing roller and coupling | Nao Itabashi, Yasuo Fukamachi | 2023-09-05 |
| 11733646 | Developing cartridge provided with cover | Nao Itabashi, Naoya Kamimura, Ryuya Yamazaki | 2023-08-22 |
| 11669043 | Developing cartridge provided with cover | Nao Itabashi, Naoya Kamimura, Ryuya Yamazaki | 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 | Naoya Kamimura, Masaaki Furukawa | 2023-05-16 |
| 11644790 | Developing cartridge provided with cover | Nao Itabashi, Naoya Kamimura, Ryuya Yamazaki | 2023-05-09 |
| 11635726 | Image forming apparatus | Daisuke Ishizuka, Atsushi Ozawa | 2023-04-25 |
| 11635707 | Toner cartridge attachable to image forming apparatus | Keita Shimizu | 2023-04-25 |
| 11609508 | Toner cartridge including casing having opening and shutter | — | 2023-03-21 |
| 11579543 | Developer cartridge provided with gear having engagement portions | Keita Shimizu, Takashi Shimizu, Naoya Kamimura, Tomonori Watanabe | 2023-02-14 |