Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10031445 | Image forming apparatus with voltage control to suppress transfer of adjusting toner image | — | 2018-07-24 |
| 9557695 | Image forming apparatus | Tetsuya Ohta | 2017-01-31 |
| 9454109 | Image forming apparatus controlling transfer conditions based on resistance of transfer member | Tetsuya Ohta | 2016-09-27 |
| 9417548 | Image forming apparatus in which charging current changes corresponding to voltage rise during transfer voltage determination | — | 2016-08-16 |
| 8958708 | Image forming apparatus having variable potential setting | — | 2015-02-17 |
| 8369757 | Image forming apparatus | — | 2013-02-05 |
| 8068755 | Image forming apparatus | — | 2011-11-29 |
| 8041244 | Image forming apparatus | — | 2011-10-18 |
| 7486918 | Image forming apparatus with a belt curling correction feature | — | 2009-02-03 |