Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12235603 | Replacing photoconductor drums associated with image forming apparatuses | — | 2025-02-25 |
| 11988985 | Image forming apparatus and method for determining a cause on an abnormality | — | 2024-05-21 |
| 11675558 | Image forming apparatus and method which performs printing according to an electrophotographic scheme | — | 2023-06-13 |
| 11599051 | Image forming apparatus and method for determining a cause of deterioration | — | 2023-03-07 |
| 11204564 | Image forming apparatus and control method | — | 2021-12-21 |
| 10962898 | Image forming apparatus and control method | — | 2021-03-30 |
| 10884359 | Automatic cleaning image forming apparatus and method of controlling image forming apparatus | Tomoyuki Kato | 2021-01-05 |
| 10613455 | Automatic cleaning image forming apparatus and method of controlling image forming apparatus | Tomoyuki Kato | 2020-04-07 |
| 9964923 | Image forming apparatus and control method for image forming apparatus | — | 2018-05-08 |
| 9864335 | Image forming apparatus and control method for image forming apparatus | — | 2018-01-09 |
| 9632470 | Image forming apparatus | — | 2017-04-25 |
| 9630438 | Marking apparatus | Masato Ogasawara, Daisuke Yamashita | 2017-04-25 |
| 9395669 | Image forming apparatus | — | 2016-07-19 |
| 9244398 | Image forming apparatus | — | 2016-01-26 |
| 8682202 | Image forming apparatus that includes operation control unit controlling a plurality of fans for discharging ozone and a fixing device | Tomoyuki Kato | 2014-03-25 |
| 8358427 | Confidential documents management system | Yoshiyuki HIRAHARA, Kazunobu Takahashi, Norikazu Ochiai | 2013-01-22 |
| 8285167 | Fixing device | — | 2012-10-09 |
| 8224203 | Fixing device and temperature control method therefor | — | 2012-07-17 |
| 8005389 | Fixing device and temperature control method therefor | — | 2011-08-23 |
| 7444106 | Fixing member by heating and fixing device in image forming apparatus | Kazuhiko Kikuchi, Masanori Takai, Satoshi Himeno, Yuichi Yokoyama, Kazuhisa Takeda | 2008-10-28 |
| 7239840 | Fixing member by heating and fixing device in image forming apparatus | Kazuhiko Kikuchi, Masanori Takai, Satoshi Himeno, Yuichi Yokoyama, Kazuhisa Takeda | 2007-07-03 |
| 6665514 | Fixing apparatus and method that feeds a cleaning member based on pixel count | — | 2003-12-16 |