Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11507006 | Power supply device and image forming apparatus | — | 2022-11-22 |
| 11448985 | Image forming apparatus having a fixing unit operated by AC voltage | — | 2022-09-20 |
| 10444677 | Image forming apparatus with fixing device, the image forming apparatus controlling supply of power to a heater by a driver based on an output of a temperature detector | Junji Ishikawa | 2019-10-15 |