Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10775727 | Image forming apparatus with a charging amount acquisition unit that performs a charging amount acquisition operation for forming a measurement toner image on an image carrier | Akifumi Yamaguchi, Yasushi Imanishi, Tamotsu Shimizu | 2020-09-15 |
| 10691052 | Image forming apparatus | Tamotsu Shimizu, Akifumi Yamaguchi, Yasuhiro Tauchi, Kenichi Tamaki | 2020-06-23 |
| 10599070 | Developing device and image forming apparatus therewith to prevent degradation in charging performance | — | 2020-03-24 |