Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11143999 | Sheet-conveying device and image-forming apparatus | Masaki Tanaka | 2021-10-12 |
| 10416603 | Sheet-conveying device and image-forming apparatus | Masaki Tanaka | 2019-09-17 |
| 10259672 | Image forming apparatus and sheet conveying unit | Masaki Tanaka | 2019-04-16 |
| 9229429 | Image forming apparatus including an air-blowing portion configured to blow air guided to a recording material | Masaki Tanaka, Daisuke Aoki | 2016-01-05 |
| 9024984 | Sheet feeder and image forming apparatus | Daisuke Aoki, Atsushi Murakami | 2015-05-05 |