Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8032042 | Developing bias control device capable of properly controlling developing bias voltage | — | 2011-10-04 |
| 7979011 | Image forming apparatus having a photoconductive drum | Kensuke Fujihara, Akane Tokushige, Tamotsu Shimizu, Ryota Maeda | 2011-07-12 |