Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11579545 | Toner container having shutter and image forming apparatus | — | 2023-02-14 |
| 11054762 | Powder container, process cartridge, and image forming apparatus | Kuniyori Takano, Emi Kita, Hiroyoshi Haga | 2021-07-06 |
| 10816916 | Toner conveyance device with a film attached to a wall surrounding a conveyance screw | Kuniyori Takano | 2020-10-27 |
| 9500992 | Developing device having a powder conveyor, process cartridge, and image forming apparatus including the same | Tomofumi Yoshida, Takafumi Miyazaki, Rie Mitani, Yuusuke Furuichi | 2016-11-22 |
| 9261816 | Developer amount detector, developing device, process unit, and image forming apparatus | Kohta Sakaya, Shinichi Arasawa, Yasunobu Ogata | 2016-02-16 |
| 9229372 | Developing device, process cartridge, and image forming apparatus | Tomofumi Yoshida, Takafumi Miyazaki, Yuusuke Furuichi, Rie Mitani | 2016-01-05 |
| 9201393 | Toner container, process cartridge, and image forming apparatus | Yuusuke Furuichi, Rie Mitani, Takafumi Miyazaki, Hidekazu Shono, Osamu Saito +7 more | 2015-12-01 |
| 8953975 | Seal and image forming device including a seal | Ryouhei Ohi, Yuusuke Furuichi, Osamu Saito | 2015-02-10 |
| 8874021 | Media guide mechanism, fixing device and image forming apparatus incorporating same | Kohta Sakaya, Tamotsu Ikeda, Yoshiharu Takahashi, Chikara Hiraoka, Toshio Ogiso | 2014-10-28 |
| 8807552 | Image forming apparatus, optional sheet feeder, and base plate member | Kazuyoshi Kondo, Yasuo Matsuyama, Hiroshi Fujiwara, Ippei Kimura, Toshikane Nishii +4 more | 2014-08-19 |
| 8678371 | Manual sheet-feeding device and image forming apparatus | Shigeo Nanno, Ippei Kimura, Yoshihide Ohta, Tomoyoshi Yamazaki, Haruyuki Honda | 2014-03-25 |
| 8561979 | Open/close mechanism for paper tray for use in image forming apparatus | Toshikane Nishii, Kazuhiro Wakamatsu, Ippei Kimura, Mizuna Tanaka, Haruyuki Honda +2 more | 2013-10-22 |
| 8356813 | Paper feeder assembly for image forming apparatus, and image forming apparatus incorporating the same | — | 2013-01-22 |
| 8320798 | Sheet conveying device and image forming apparatus | Shigeo Nanno, Hiroshi Fujiwara, Ippei Kimura, Yoshihide Ohta, Tomoyoshi Yamazaki +1 more | 2012-11-27 |
| 8256769 | Feeding device and image forming apparatus | Masafumi Takahira, Hiroshi Fujiwara, Shigeo Nanno, Ippei Kimura, Mizuna Tanaka +3 more | 2012-09-04 |
| 8260187 | Image forming device | Haruyuki Honda, Yasuo Matsuyama, Hiroshi Fujiwara, Kazuyoshi Kondo, Ippei Kimura +4 more | 2012-09-04 |
| 8240657 | Sheet feeding device and image forming apparatus | Mizuna Tanaka, Hiroshi Fujiwara, Yasuo Matsuyama, Kazuyoshi Kondo, Toshikane Nishii +5 more | 2012-08-14 |
| 8118296 | Open/close mechanism for paper tray for use in image forming apparatus | Toshikane Nishii, Kazuhiro Wakamatsu, Ippei Kimura, Mizuna Tanaka, Haruyuki Honda +2 more | 2012-02-21 |
| 8070159 | Switchback mechanism and image forming apparatus | Haruyuki Honda, Hiroshi Fujiwara, Ippei Kimura, Toshikane Nishii, Shigeo Nanno +3 more | 2011-12-06 |
| 8045888 | Sheet conveying device and image forming apparatus | Shigeo Nanno, Hiroshi Fujiwara, Ippei Kimura, Yoshihide Ohta, Tomoyoshi Yamazaki +1 more | 2011-10-25 |
| 7992860 | Sheet feeding device, image forming apparatus, and sheet feeding method | Ippei Kimura, Yasuo Matsuyama, Hiroshi Fujiwara, Toshikane Nishii, Mizuna Tanaka +3 more | 2011-08-09 |
| 7963520 | Sheet loading device, sheet conveying device, and image forming apparatus | Mizuna Tanaka, Hiroshi Fujiwara, Shigeo Nanno, Tomoyoshi Yamazaki, Haruyuki Honda +3 more | 2011-06-21 |
| 7954814 | Feeding device and image forming apparatus | Masafumi Takahira, Hiroshi Fujiwara, Shigeo Nanno, Ippei Kimura, Mizuna Tanaka +3 more | 2011-06-07 |
| 7918451 | Switchback mechanism and image forming apparatus | Haruyuki Honda, Hiroshi Fujiwara, Ippei Kimura, Toshikane Nishii, Shigeo Nanno +3 more | 2011-04-05 |
| 7878725 | Image forming apparatus having removable units | Hiroshi Fujiwara, Shigeo Nanno, Ippei Kimura, Yoshihide Ohta, Tomoyoshi Yamazaki +2 more | 2011-02-01 |