Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11500330 | Image forming apparatus having developing device with air suction device | Shota Sakurai, Kei Yuasa, Tetsuya Ishikawa | 2022-11-15 |
| 11488295 | Evaluation device and evaluation method | Natsuko Minegishi, Yoshiki Nakane, Hiroshi Morimoto, Kei Okamura, Takashi Akazawa | 2022-11-01 |
| 11402791 | Image forming apparatus and lubricant supply control method | Kei Yuasa, Takashi Akazawa, Kei Okamura | 2022-08-02 |