Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8081909 | Image forming device having developing material case and a vibrator for vibrating carrying electrodes and controller for changing the frequency of vibration | Tomoaki Hattori | 2011-12-20 |
| 8064806 | Image forming device having a developing material case with a moving vibrating region | Masataka Maeda | 2011-11-22 |
| 8005387 | Apparatus for forming multi-color image with control of unintended reverse-transfer of developer image onto photoconductor | Toshio Furukawa | 2011-08-23 |
| 7991335 | Developer supply device and image forming apparatus | — | 2011-08-02 |