Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10635024 | Developing device and image forming apparatus, wherein the developing roller includes a magnetic pole forming part to be formed with a plurality of magnetic poles along a circumference direction of the developing roller | Kazuteru Ishizuka, Hiroyuki Saito, Shunichi Takaya, Kei Okamura | 2020-04-28 |
| 10558141 | Image forming apparatus, developing device, and developer liquid-level detection program | Hiroyuki Saito, Shunichi Takaya, Kazuteru Ishizuka, Kei Okamura | 2020-02-11 |
| 10534305 | Image forming apparatus and non-transitory recording medium storing computer readable program | Hiroyuki Saito, Tetsuya Ishikawa, Tomohiro Kawasaki, Tatsuya Furuta, Ryoei Ikari | 2020-01-14 |