Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11914324 | Image forming apparatus determining whether cartridge is usable based on two sets of consumption state information | — | 2024-02-27 |
| 11875069 | Image forming apparatus performing printing permission process to permit printing | — | 2024-01-16 |
| 11720301 | Image forming apparatus having main body, main memory and controller, and consumable cartridge having cartridge memory therefor | — | 2023-08-08 |
| 11662676 | Image forming apparatus and control method | Soun Kanada, Tatsuya Koyama, Kotaro Fujishiro | 2023-05-30 |
| 11561745 | Image forming apparatus performing printing permission process to permit printing | — | 2023-01-24 |
| 11513471 | Image forming apparatus determining whether cartridge is usable based on two sets of consumption state information | — | 2022-11-29 |
| 11132155 | Image forming apparatus having main body, main memory and controller, and consumable cartridge having cartridge memory therefor | — | 2021-09-28 |
| 9724949 | Printing apparatus system, and connection device, control method and computer readable medium for the same having authentication process for identifying connection of multistage connections | Takashi Suzuki | 2017-08-08 |
| 9081338 | Image forming apparatus | Kenji Takeuchi, Kei Ishida, Kaoru Suzuki | 2015-07-14 |
| 9046835 | Image forming apparatus | Kenji Takeuchi, Kei Ishida, Kaoru Suzuki | 2015-06-02 |
| 9031442 | Image-forming apparatus that corrects detected temperature of heating member detected by non-contact temperature sensor | Tatsuya Koyama | 2015-05-12 |
| 8983326 | Image forming apparatus | Kenji Takeuchi | 2015-03-17 |
| 8948640 | Image forming apparatus | Kenji Takeuchi, Kei Ishida, Kaoru Suzuki | 2015-02-03 |
| 8770876 | Conveyance speed control in a printing apparatus | Tetsuya Okano | 2014-07-08 |
| 8774665 | Image forming apparatus and heating method for fixation section of the same | Tetsuya Okano | 2014-07-08 |
| 8757617 | Sheet feed timing | — | 2014-06-24 |
| 8705997 | Image forming apparatus that selectively changes current-feed ratio | Takashi Suzuki, Tetsuya Okano | 2014-04-22 |
| 8606126 | Image forming apparatus and method for cleaning image carrying body | Tetsuya Okano, Yoshifumi Kajikawa | 2013-12-10 |
| 7970293 | Methods and systems relating to image forming apparatuses | Satoru Ishikawa | 2011-06-28 |
| 7742708 | Image forming device and cartridge in which an amount of developer is detectable | — | 2010-06-22 |