Issued Patents All Time
Showing 1–25 of 127 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416896 | Developing cartridge provided with cover | Nao Itabashi, Naoya Kamimura, Ryuya Yamazaki | 2025-09-16 |
| D1093475 | Photosensitive drum unit | Keita Shimizu, Ryuji Noda, Takashi Shimizu | 2025-09-16 |
| 12298701 | Image forming apparatus | Daisuke Ishizuka, Atsushi Ozawa | 2025-05-13 |
| 12292701 | Image forming apparatus | — | 2025-05-06 |
| 12282270 | Developer cartridge provided with gear having engagement portions | Keita Shimizu, Takashi Shimizu, Naoya Kamimura, Tomonori Watanabe | 2025-04-22 |
| 12282290 | Process cartridge including drum cartridge having first holder, developing cartridge having second holder, and plate for connecting first holder and second holder to each other | Yasuo Fukamachi, Junya Sumida, Kazutoshi Nakamura, Shinya Kusuda | 2025-04-22 |
| 12259675 | Process cartridge including developing cartridge having developing holder, and drum cartridge having elastic member that can be connected to developing holder | Yasuo Fukamachi, Shinya Kusuda, Kazutoshi Nakamura, Junya Sumida | 2025-03-25 |
| 12174559 | 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 | 2024-12-24 |
| 12169377 | Toner cartridge including casing having opening and shutter | — | 2024-12-17 |
| 12147181 | Image forming apparatus | Yasuhiro Suzuki, Yusuke Ikegami | 2024-11-19 |
| 12092992 | Developing cartridge including developing roller and coupling | Nao Itabashi, Yasuo Fukamachi | 2024-09-17 |
| 12092974 | Toner cartridge attachable to image forming apparatus | Keita Shimizu | 2024-09-17 |
| 12038711 | Image forming apparatus capable of inserting sheet tray in one direction and discharging printed sheet in opposite direction | Ryosuke Sakai, Isami Fujisawa, Yukiko Kitamura | 2024-07-16 |
| 11947277 | Image forming apparatus | — | 2024-04-02 |
| 11940743 | Toner cartridge including casing having opening and shutter | — | 2024-03-26 |
| 11886129 | Image forming apparatus to which solvent cartridge that can accommodate therein solvent is detachably attachable independently of developing cartridge | Yutaka Kakigahara, Satoshi Murata, Masataka Kamiya, Masaaki Furukawa, Yasuo Fukamachi +9 more | 2024-01-30 |
| 11886138 | Image forming apparatus | Yasuhiro Suzuki, Yusuke Ikegami | 2024-01-30 |
| 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 |
| 11635707 | Toner cartridge attachable to image forming apparatus | Keita Shimizu | 2023-04-25 |
| 11635726 | Image forming apparatus | Daisuke Ishizuka, Atsushi Ozawa | 2023-04-25 |