Issued Patents 2020
Showing 1–2 of 2 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, Kei Okamura, Aiko Kubota | 2020-04-28 |
| 10558141 | Image forming apparatus, developing device, and developer liquid-level detection program | Aiko Kubota, Hiroyuki Saito, Kazuteru Ishizuka, Kei Okamura | 2020-02-11 |