Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12117755 | Control device, image forming apparatus, image forming method, and storage medium | Kanji Ubukata, Koji Kiryu, Masashi Kasamai, Jumpei Yamaguchi, Masahiro Ashikawa | 2024-10-15 |
| 11971675 | Image forming apparatus in which rotational position of image bearer is controlled to reduce density unevenness | Masashi Kasamai, Koji Kiryu, Masahiro Ashikawa, Jumpei Yamaguchi, Kanji Ubukata | 2024-04-30 |
| 11803135 | Transfer device and image forming apparatus including photoconductors, a belt, and primary transfer rollers | Koji Kiryu, Masahiro Ashikawa, Hiroaki Takagi, Jumpei Yamaguchi, Masashi Kasamai +1 more | 2023-10-31 |
| 11789383 | Image forming apparatus | Jumpei Yamaguchi, Koji Kiryu, Masahiro Ashikawa, Masashi Kasamai, Kanji Ubukata | 2023-10-17 |