Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12117755 | Control device, image forming apparatus, image forming method, and storage medium | Kanji Ubukata, Koji Kiryu, Jumpei Yamaguchi, Masahiro Ashikawa, Nagisa Nakamura | 2024-10-15 |
| 11971675 | Image forming apparatus in which rotational position of image bearer is controlled to reduce density unevenness | Koji Kiryu, Masahiro Ashikawa, Jumpei Yamaguchi, Kanji Ubukata, Nagisa Nakamura | 2024-04-30 |
| 11803135 | Transfer device and image forming apparatus including photoconductors, a belt, and primary transfer rollers | Nagisa Nakamura, Koji Kiryu, Masahiro Ashikawa, Hiroaki Takagi, Jumpei Yamaguchi +1 more | 2023-10-31 |
| 11789383 | Image forming apparatus | Jumpei Yamaguchi, Koji Kiryu, Masahiro Ashikawa, Kanji Ubukata, Nagisa Nakamura | 2023-10-17 |
| 10082818 | Electronic circuit, protective device, and image forming apparatus | Kohhei Yamaguchi, Yoshihiro Takahashi | 2018-09-25 |
| 9022386 | Medium conveying apparatus, image forming apparatus, medium conveying system, and medium conveying method | Yusuke Ishizaki, Takahisa Koike | 2015-05-05 |