Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7949265 | Toner supply device, developing device and image forming apparatus with residual quantity of toner based control | Hirofumi Sakita, Takeshi Murata, Yoshinori Ohtsuka | 2011-05-24 |