Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7962066 | Cleaning unit, image forming apparatus using the same, and cleaner | Koichiro Yuasa | 2011-06-14 |
| 7894661 | Calibration apparatus, calibration method, program for calibration, and calibration jig | Akio Kosaka, Takashi Miyoshi, Kazuhiko Takahashi, Hidekazu Iwaki | 2011-02-22 |