Issued Patents 2021
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11112756 | Drum cartridge including electrical contact surface movable relative to drum frame | Nao Itabashi | 2021-09-07 |
| RE48664 | Electronic device | — | 2021-07-27 |
| 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 |
| 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 |