Issued Patents 2023
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11852998 | Image forming apparatus capable of displaying on display error relating to drum cartridge in preference to error relating to toner cartridge | — | 2023-12-26 |
| 11846905 | Image forming device performing preliminary process to rotate roller at determined rotational speed | Yoshihiro Itogawa | 2023-12-19 |
| 11835904 | Image forming apparatus including controller capable of determining whether developing cartridge, drum cartridge and belt unit are reached their lifetimes | — | 2023-12-05 |
| 11829099 | Drum cartridge and image forming apparatus | Tomoyasu Yabuki, Takashi Suzuki | 2023-11-28 |
| 11809113 | Drum cartridge for use with a toner cartridge in an image forming apparatus | Chieko Mimura | 2023-11-07 |
| 11809128 | Image forming apparatus capable of controlling extension of use of drum cartridge | Chieko Mimura | 2023-11-07 |
| 11774894 | Image forming apparatus capable of determining whether to order new drum cartridge together with new toner cartridge | Takashi Suzuki, Shingo Fujiwara | 2023-10-03 |
| 11762310 | Image forming apparatus that determines whether cartridge can be used in the image forming apparatus | — | 2023-09-19 |
| 11720038 | Printing device and control method of the same | Takashi Suzuki | 2023-08-08 |
| 11681253 | Image forming apparatus rewriting usage status information to information indicating that cartridge is old cartridge | — | 2023-06-20 |
| 11675304 | Image forming apparatus requesting execution of density correction process | Keigo Nakajima | 2023-06-13 |
| 11579542 | Image forming apparatus including toner cartridge having toner memory and drum cartridge having drum memory | — | 2023-02-14 |
| 11579554 | Image forming apparatus capable of displaying on display error relating to drum cartridge in preference to error relating to toner cartridge | — | 2023-02-14 |