Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9678467 | Developer detector and developing device | — | 2017-06-13 |
| 9354555 | Toner supplying device and image forming apparatus | — | 2016-05-31 |
| 8744319 | Developing device and image forming apparatus | Takafumi Nagai | 2014-06-03 |