Issued Patents All Time
Showing 26–50 of 247 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11650520 | Toner cartridge having electrical contact surface that can contact electrical contact surface of drum cartridge in accordance with pivotal movement of casing | Hideshi Nishiyama, Masaaki Furukawa | 2023-05-16 |
| 11644790 | Developing cartridge provided with cover | Nao Itabashi, Ryuya Yamazaki, Hideshi Nishiyama | 2023-05-09 |
| 11586123 | Process cartridge including frame having photosensitive drum, drum coupling and flanged fixed to photosensitive drum | Atsuhisa Nakashima | 2023-02-21 |
| 11579543 | Developer cartridge provided with gear having engagement portions | Keita Shimizu, Takashi Shimizu, Hideshi Nishiyama, Tomonori Watanabe | 2023-02-14 |
| 11500328 | Drum cartridge including electrical contact surface movable relative to drum frame | Nao Itabashi | 2022-11-15 |
| 11409210 | Developing cartridge having coupling and developing roller | Nao Itabashi | 2022-08-09 |
| 11392083 | Image forming apparatus including drum cartridge having photosensitive drum and toner cartridge having developing roller | Shunji Yoshimoto, Masashi Imai, Masaki Ueji, Keita Hironaka, Hotaka Kakutani | 2022-07-19 |
| 11385565 | Image forming apparatus and process cartridge | Atsuhisa Nakashima | 2022-07-12 |
| 11333999 | Toner cartridge including shutter rotatable between first position and second position | Masaaki Furukawa, Kazuma Hinoue, Ryosuke Hayashi | 2022-05-17 |
| 11300922 | Drum cartridge including electrical contact surface positioned at outer surface of drum frame | Koji Abe | 2022-04-12 |
| 11231665 | Toner cartridge including detection gear, agitator gear, auger gear, and toner outlet | Hideshi Nishiyama, Tomonori Watanabe, Yasuo Fukamachi, Shinya Kusuda, Tomoya Yamamoto | 2022-01-25 |
| 11112756 | Drum cartridge including electrical contact surface movable relative to drum frame | Nao Itabashi | 2021-09-07 |
| 11073785 | Developing cartridge including supply roller, layer thickness regulation blade, and supply electrode electrically connected to both supply roller and layer thickness regulation blade | Atsushi Fukaya, Tomoya Ichikawa, Koji Abe | 2021-07-27 |
| RE48664 | Electronic device | — | 2021-07-27 |
| 11022912 | Developing cartridge having coupling and developing roller | Nao Itabashi | 2021-06-01 |
| 11016410 | Image forming apparatus and process cartridge | Atsuhisa Nakashima | 2021-05-25 |
| 10983456 | Developer cartridge provided with gear having engagement portions | Keita Shimizu, Takashi Shimizu, Hideshi Nishiyama, Tomonori Watanabe | 2021-04-20 |
| 10928748 | Image forming apparatus and process cartridge | Atsuhisa Nakashima | 2021-02-23 |
| 10921732 | Developing cartridge having coupling and developing roller | Nao Itabashi | 2021-02-16 |
| 10915064 | Image forming apparatus including drum cartridge having photosensitive drum and toner cartridge having developing roller | Shunji Yoshimoto, Masashi Imai, Masaki Ueji, Keita Hironaka, Hotaka Kakutani | 2021-02-09 |
| 10908533 | Toner cartridge including shutter rotatable between first position and second position | Masaaki Furukawa, Kazuma Hinoue, Ryosuke Hayashi | 2021-02-02 |
| 10901361 | Developing cartridge provided with cover | Nao Itabashi, Ryuya Yamazaki, Hideshi Nishiyama | 2021-01-26 |
| 10859972 | Drum cartridge including electrical contact surface positioned at outer surface of drum frame | Koji Abe | 2020-12-08 |
| 10705455 | Toner cartridge including shutter rotatable between first position and second position | Masaaki Furukawa, Kazuma Hinoue, Ryosuke Hayashi | 2020-07-07 |
| 10678162 | Image forming apparatus and process cartridge | Atsuhisa Nakashima | 2020-06-09 |