Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8055147 | Image forming apparatus having a calibration section for an image density sensor | Yasushi Koshimura | 2011-11-08 |
| 7978213 | Focus adjustment method of LED print head and image forming apparatus | Yasushi Koshimura | 2011-07-12 |