Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10875297 | Image forming apparatus and control method therefor | Yuhei Oikawa, Toshiyuki Chikuma | 2020-12-29 |
| 10836155 | Ink jet printing apparatus, control method thereof and storage medium | Toshiyuki Chikuma, Yuhei Oikawa, Kohei Sato | 2020-11-17 |
| 10766251 | Printing apparatus and discharge status judgment method | Yuhei Oikawa, Toshiyuki Chikuma, Kohei Sato | 2020-09-08 |