Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11619898 | Image forming apparatus for controlling transfer voltage based on pattern | Kazuhisa Koizumi, Keisuke Kitajima, Tetsuhiro Yoshimoto, Hironobu Konno, Takeyuki Suda +2 more | 2023-04-04 |
| 11567422 | Image reading apparatus and image forming apparatus | — | 2023-01-31 |
| 10228638 | Image forming apparatus having concentration measurement function | — | 2019-03-12 |
| 9229401 | Image forming apparatus | — | 2016-01-05 |
| 9158240 | Image forming apparatus that prevents surface speed difference from being generated between photosensitive drum and intermediate transfer belt | Toshinori Kimura | 2015-10-13 |
| 9058008 | Image forming apparatus that prevents image defect caused by off-centering of rotating shaft of photosensitive drum | — | 2015-06-16 |
| 9042785 | Image forming apparatus having photosensitive member and intermediate transfer member subjected to driving rotation control independently | — | 2015-05-26 |
| 8879960 | Image bearing member drive unit that drives image bearing member, method of controlling image bearing member drive unit, storage medium, and image forming apparatus | — | 2014-11-04 |