Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10948845 | Image forming unit and image forming apparatus | — | 2021-03-16 |
| 9671727 | Method for erasing image | Takayasu Aoki, Koji Imamiya | 2017-06-06 |
| 9298143 | Method for erasing image | Takayasu Aoki, Koji Imamiya | 2016-03-29 |
| 8541156 | Method for erasing image | Takayasu Aoki, Koji Imamiya | 2013-09-24 |
| 7409170 | Developing apparatus, image forming apparatus and density detection method | — | 2008-08-05 |
| 7315717 | Developer apparatus, image forming apparatus and developer collecting method | — | 2008-01-01 |