Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11768452 | Image forming apparatus | — | 2023-09-26 |
| 10656564 | Image forming apparatus | — | 2020-05-19 |
| 9874843 | Image forming apparatus | — | 2018-01-23 |
| 9285726 | Image forming apparatus with recording material separation feature | — | 2016-03-15 |
| 9031430 | Image forming apparatus | — | 2015-05-12 |
| 8831489 | Electrostatic image forming apparatus having electrode for suppressing electric discharge | — | 2014-09-09 |
| 8818217 | Image forming apparatus with cleaning voltage or current control based on density of a control toner image | — | 2014-08-26 |
| 8320806 | Image forming apparatus with cleaning member | — | 2012-11-27 |
| 8290414 | Image forming apparatus | — | 2012-10-16 |
| 8290392 | Image forming apparatus with cleaning member to remove toner from transfer roller | — | 2012-10-16 |
| 7773902 | Image forming apparatus with voltage control | — | 2010-08-10 |
| 7773907 | Image forming apparatus with a cleaning member to remove toner from a transfer roller | — | 2010-08-10 |
| 7593659 | Image forming apparatus capable of reducing time unable to perform image formation due to temperature change of image Bearing member | — | 2009-09-22 |
| 7515842 | Image forming apparatus with resistance controlled transfer member | — | 2009-04-07 |
| 7315702 | Image forming apparatus capable of reducing time unable to perform image formation due to temperature change of image bearing member | — | 2008-01-01 |
| 7072598 | Method for determining proper bias voltage for transferring toner image from photoconductive drum to intermediate transfer belt and image forming apparatus incorporating the same | — | 2006-07-04 |
| 7062208 | Image forming apparatus featuring first and second toner images with different charging amounts | — | 2006-06-13 |
| 6842600 | Image forming apparatus with order-of image-transfer charge control feature | — | 2005-01-11 |
| 6658220 | Image forming apparatus including contact transfer member having transfer current controlled in accordance with ratio of image portion at transfer portion | Yuji Bessho | 2003-12-02 |