Issued Patents 2022
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11513470 | Image-forming apparatus including drum cartridge having memory storing first type information, and toner cartridge having memory storing second type information | Takashi Suzuki, Shingo Fujiwara | 2022-11-29 |
| 11507015 | Image forming apparatus capable of determining whether communication between controller and storage medium of developing cartridge is established | Nao Itabashi | 2022-11-22 |
| 11454925 | Image forming apparatus capable of determining whether toner cartridge is attached to appropriate slot provided in main casing | Takashi Suzuki, Tomoyasu Yabuki, Nao Itabashi | 2022-09-27 |
| 11448984 | Printing device and control method of the same | Takashi Suzuki | 2022-09-20 |
| 11442389 | Image forming apparatus including transfer unit and capable of determining lifetime of transfer unit | Chieko Mimura, Keita Suzuki | 2022-09-13 |
| 11378913 | Image forming apparatus capable of controlling extension of use of drum cartridge | Chieko Mimura | 2022-07-05 |
| 11372359 | Image forming apparatus requesting execution of density correction process | Keigo Nakajima | 2022-06-28 |
| 11256211 | Image forming apparatus capable of controlling extension of use of drum cartridge | Chieko Mimura | 2022-02-22 |