Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11488295 | Evaluation device and evaluation method | Yoshiki Nakane, Takenobu Kimura, Hiroshi Morimoto, Kei Okamura, Takashi Akazawa | 2022-11-01 |
| 10795306 | Cleaning member for image forming apparatus including a protrusion | Yoshiki Nakane, Takenobu Kimura, Kei Okamura, Hiroshi Morimoto | 2020-10-06 |
| 10642554 | Control apparatus for assigning a print job, image forming apparatus, image forming system, and program | Kei Yuasa, Tetsuya Ishikawa, Hiroki Shibata | 2020-05-05 |
| 10375254 | Image forming apparatus and recording medium | Wataru Watanabe, Hiroshi Morimoto, Keiki KATSUMATA, Kazuhiro Saito, Hiroki Shibata +1 more | 2019-08-06 |
| 9164415 | Image forming apparatus and method of forming an image which can prevent a development memory from occurring | Hideaki Tanaka, Tetsuya Ishikawa, Ryoei Ikari, Shintaro Sone | 2015-10-20 |
| 8811832 | Image forming apparatus | Seiko Itagaki, Hiroyuki Saito | 2014-08-19 |
| 8682229 | Developing device with bias voltage and image forming apparatus | Naoki Tajima, Seiko Itagaki, Hiroyuki Saito | 2014-03-25 |
| 8666294 | Carrier removing device and image forming apparatus | Naoki Tajima, Seiko Itagaki, Hiroyuki Saito | 2014-03-04 |
| 8503901 | Image forming apparatus with a toner contamination detecting device | Hiroshi Akita, Seiko Itagaki, Hiroyuki Saito | 2013-08-06 |
| 8401439 | Image forming apparatus | Hiroyuki Saito, Naoki Tajima, Seiko Itagaki | 2013-03-19 |
| 8369750 | Developing device | Seiko Itagaki, Hiroshi Akita | 2013-02-05 |
| 8244164 | Image forming apparatus with two developing rollers, and an electrode therebetween | Hiroyuki Saito, Seiko Itagaki, Hiroshi Akita | 2012-08-14 |
| 7801470 | Developing device, process unit, and image forming apparatus | Seiko Itagaki, Hiroshi Akita | 2010-09-21 |