Issued Patents All Time
Showing 1–25 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11934121 | Image forming apparatus that performs shading correction to maintain print position accuracy | Koji Yumoto, Takashi Yokoya, Toshifumi Oikawa, Yutaka Ando, Riki Fukuhara +1 more | 2024-03-19 |
| 11531291 | Image forming apparatus | Ryou Sakaguchi, Yuya Ohta | 2022-12-20 |
| 11470213 | Image forming apparatus | Riki Fukuhara, Takashi Yokoya, Toshifumi Oikawa, Yutaka Ando, Koji Yumoto +1 more | 2022-10-11 |
| 11460796 | Image forming system | Takashi Yokoya, Koji Yumoto, Akihiro Kawakita | 2022-10-04 |
| 11435685 | Image forming apparatus | Takashi Yokoya, Toshifumi Oikawa, Yutaka Ando, Koji Yumoto, Riki Fukuhara +1 more | 2022-09-06 |
| 11435687 | Image forming apparatus and image forming system | Akihiro Kawakita, Satoru Yamamoto, Koji Yumoto, Takashi Yokoya | 2022-09-06 |
| 11175612 | Image forming apparatus | Ryou Sakaguchi, Yuya Ohta | 2021-11-16 |
| 10871739 | Image forming system, control method thereof, and non-transitory computer-readable storage medium | Takashi Yokoya, Yutaka Ando, Akihiro Arai | 2020-12-22 |
| 10625970 | Image forming apparatus, method for controlling the same, and non-transitory computer-readable storage medium | Satoru Yamamoto, Koji Yumoto, Takashi Yokoya, Akihiro Kawakita | 2020-04-21 |
| 10556768 | Post-processing apparatus, control method therefor, and non-transitory computer-readable storage medium | Akihiro Arai, Takashi Yokoya, Yutaka Ando | 2020-02-11 |
| 10384895 | Image forming apparatus, image forming system and detecting method of abnormal feeding | Takashi Yokoya, Satoru Yamamoto, Koji Yumoto, Akihiro Kawakita | 2019-08-20 |
| 10370216 | Image forming apparatus | Yutaka Ando, Takashi Yokoya, Akihiro Arai | 2019-08-06 |
| 10362182 | Image forming apparatus, image forming system, and image forming method with sheet feeding abnormality control | Koji Yumoto, Satoru Yamamoto, Takashi Yokoya, Akihiro Kawakita | 2019-07-23 |
| 10189669 | Post-processing apparatus, post-processing method and image forming apparatus with determination of whether or not to perform post-processing | Takashi Yokoya, Yutaka Ando, Akihiro Arai | 2019-01-29 |
| 10152011 | Image forming system including punching unit | Yutaka Ando, Akihiro Arai, Hiromasa Maenishi | 2018-12-11 |
| 10059557 | Post-processing apparatus and image forming system | Takashi Yokoya, Yutaka Ando, Akihiro Arai | 2018-08-28 |
| 10032138 | Punching apparatus capable of updating maintenance information and punching system | Yutaka Ando, Akihiro Arai, Hiromasa Maenishi | 2018-07-24 |
| 10031473 | Image forming apparatus and image forming system having a controller that controls a rubbing treatment for a fixing roller of a replaceable fixing portion | Katsuya Nakama, Satoru Yamamoto, Masahiro Tsujibayashi, Yasuharu Chiyoda, Nobuhiro Kikuchi +4 more | 2018-07-24 |
| 10017350 | Sheet processing apparatus that properly performs fold line processing, and image forming system | Yutaka Ando, Akihiro Arai | 2018-07-10 |
| 9868603 | Sheet processing apparatus and image forming system | Yutaka Ando, Takashi Yokoya, Akihiro Arai | 2018-01-16 |
| 9785105 | Image forming system including punching unit | Yutaka Ando, Akihiro Arai, Hiromasa Maenishi | 2017-10-10 |
| 9714150 | Sheet conveying apparatus with escape section that does not convey sheet to post-processing apparatus, and post-processing system with escape section that does not convey sheet to post-processing unit | Toshiyuki Miyake, Satoru Yamamoto, Takashi Yokoya, Katsuya Nakama, Koji Yumoto +1 more | 2017-07-25 |
| 9708149 | Sheet processing apparatus including stacking tray on which sheets are stacked, and image forming system | Akihiro Arai, Takashi Yokoya, Yutaka Ando | 2017-07-18 |
| 9376276 | Sheet feeding apparatus and image forming apparatus | Takashi Yokoya, Satoru Yamamoto, Toshiyuki Miyake, Katsuya Nakama, Koji Yumoto +3 more | 2016-06-28 |
| 8843055 | Image forming apparatus improved in operability for print job involving single-sided printing and double-sided printing | Hidenori Matsumoto, Takayuki Fujii, Hiroshi Matsumoto, Katsuya Nakama | 2014-09-23 |