Issued Patents 2021
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11188008 | Image forming apparatus including first and second guide frames for guiding attachment of drum cartridge to which developing cartridge is attached | Shinya Kusuda | 2021-11-30 |
| 11119438 | Image forming apparatus and toner cartridge | Shougo Sato | 2021-09-14 |
| 11036176 | Image forming apparatus | Shougo Sato | 2021-06-15 |
| 11028903 | Developing device | Takashi Shimizu, Keita Shimizu, Kazutoshi Nakamura | 2021-06-08 |
| 11022936 | Developing cartridge including developing roller and coupling | Nao Itabashi, Hideshi Nishiyama | 2021-06-01 |
| 11009826 | Image forming apparatus including process cartridge having a toner cartridge detachably attached to a drum cartridge | Shougo Sato, Motoaki Mushika, Kazuna Taguchi | 2021-05-18 |
| 10948851 | Image forming apparatus | Takashi Shimizu, Keita Shimizu, Kazutoshi Nakamura, Kasuma Hinoue | 2021-03-16 |
| 10928750 | Developing cartridge including protrusion positioned at outer surface of casing | Kazuna Taguchi, Takuya Kanda | 2021-02-23 |