Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9772491 | Image forming apparatus, optical scanning device, maintenance method | Haruki Shoji, Okito Ogasahara | 2017-09-26 |
| 9670017 | Motor controller, sheet conveying device, and image forming apparatus | — | 2017-06-06 |
| 9641111 | Stepping motor driving device and image forming apparatus | — | 2017-05-02 |