Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11868064 | Image forming apparatus with a toner conveying device having a reverse-flow conveying portion | Yasunobu Shimizu, Shintaro Yamada | 2024-01-09 |
| 11231664 | Toner container having a shutter, a lever disposed on one side, and a pivoting portion on the other side which rotate together with a common shaft | Tomofumi Yoshida, Shinichi Arasawa, Jin Sam Park, Goo Chui Jung, Yasunobu Ogata | 2022-01-25 |
| 10915040 | Toner container with an operating structure disposed on a first side, a shutter disposed on a second side, and a lock | Tomofumi Yoshida, Shinichi Arasawa, Jin Sam Park, Goo Chul Jung, Yasunobu Ogata | 2021-02-09 |
| 10564572 | Toner container with an operating structure disposed on a first side, and a shutter disposed on a second side | Tomofumi Yoshida, Shinichi Arasawa, Jin Sam Park, Goo Chul Jung, Yasunobu Ogata | 2020-02-18 |
| 10365584 | Toner container, developing device, process cartridge, and image forming apparatus that include a toner container contacting surface to contact with a developing device engagement releasing structure | Tomofumi Yoshida, Shinichi Arasawa, Jin Sam Park, Goo Chul Jung, Yasunobu Ogata | 2019-07-30 |
| 10025228 | Collecting member to collect image forming powder | Shinichi Arasawa | 2018-07-17 |
| 10025227 | Toner container, developing device, process cartridge, and image forming apparatus that include a toner container contacting surface to contact with a developing device engagement releasing structure | Tomofumi Yoshida, Shinichi Arasawa, Jin Sam Park, Goo Chul Jung, Yasunobu Ogata | 2018-07-17 |
| 9740147 | Separator, fixing device, and image forming apparatus | Hitoshi Fujiwara, Tomoya Adachi, Tomohiko Fujii, Masahiro Samei, Yutaka Naitoh +3 more | 2017-08-22 |
| 9690231 | Toner container, developing device, process cartridge, and image forming apparatus that include an operating member to move a shutter for a toner outlet via a linking member | Tomofumi Yoshida, Shinichi Arasawa, Jin Sam Park, Goo Chul Jung, Yasunobu Ogata | 2017-06-27 |
| 9261816 | Developer amount detector, developing device, process unit, and image forming apparatus | Shinichi Arasawa, Yasuhide Ohkubo, Yasunobu Ogata | 2016-02-16 |
| 9217953 | Developing device, and image forming apparatus and process unit incorporating same | — | 2015-12-22 |
| 9188901 | Image forming apparatus including a covered retracting mechanism | Kenji Nakamura, Kuniyori Takano, Jong-Ho Park, Min-jae Chung | 2015-11-17 |
| D740357 | Powder container | Shinichi Arasawa, Seong Ryeol Pyo, Kyo Sik Woo | 2015-10-06 |
| 9116476 | Fixing device and image forming apparatus | Yoshiharu Takahashi, Chikara Hiraoka, Tamotsu Ikeda, Yoshihiro Kawakami | 2015-08-25 |
| 8874021 | Media guide mechanism, fixing device and image forming apparatus incorporating same | Yasuhide Ohkubo, Tamotsu Ikeda, Yoshiharu Takahashi, Chikara Hiraoka, Toshio Ogiso | 2014-10-28 |
| 8867942 | Lever switcher with mechanism for minimizing mechanical shock and sound and fixing device and image forming apparatus incorporating lever switcher | Tamotsu Ikeda, Yoshiharu Takahashi, Chikara Hiraoka | 2014-10-21 |
| 8837998 | Fixing device with guide member having multiple spurs and image forming apparatus incorporating same | — | 2014-09-16 |
| 8699929 | Guide device with mechanism capable of minimizing damage to toner image and recording medium and fixing device and image forming apparatus incorporating same | Yoshiharu Takahashi, Tamotsu Ikeda, Chikara Hiraoka | 2014-04-15 |
| 8688015 | Development device, processing unit and image forming apparatus | Tetsumaru Fujita | 2014-04-01 |
| 8594519 | Image forming apparatus and toner supply method | Naoki Nakatake, Atsushi Takehara, Tetsumaru Fujita, Tomohiro Kubota | 2013-11-26 |
| 8503892 | Developing unit, image forming apparatus, and process cartridge | Tomohiro Kubota, Tetsumaru Fujita, Atsushi Takehara, Naoki Nakatake | 2013-08-06 |
| 8498560 | Fixing device and image forming apparatus using this fixing device | Shigeo Nanno, Tamotsu Ikeda | 2013-07-30 |
| 8483583 | Image forming apparatus and toner supply method | Atsushi Takehara, Naoki Nakatake, Tetsumaru Fujita, Tomohiro Kubota | 2013-07-09 |
| 8364051 | Fixing device and image forming apparatus including same | Yoshihiro Fukuhta, Tamotsu Ikeda | 2013-01-29 |
| 8200134 | Double-sided one pass image forming apparatus | Shunsuke Hamahashi, Toshikane Nishii, Makoto Matsushita, Yoshitaka Sekiguchi, Masayuki Hayashi | 2012-06-12 |