Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7983578 | Image forming device with a manual darkness adjusting section | Shigeru Tsukada | 2011-07-19 |
| 7869724 | Image density control device and image forming apparatus | Naoya Yamasaki, Shunichiro Shishikura | 2011-01-11 |