Issued Patents All Time
Showing 1–25 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11500314 | Image forming apparatus and cleaning method | Keitaro Shoji, Yoshikuni Sasaki, Takahiro Imada, Hiromasa Takagi, Yasunori Ishigaya +1 more | 2022-11-15 |
| 11256200 | Fixing device, heating device, and image forming device with a substrate covering member covering a relay substrate | Takahiro Imada, Yoshikuni Sasaki, Hiromasa Takagi, Yasunori Ishigaya, Takumi Waida | 2022-02-22 |
| 10852671 | Fixing device including a cleaner to clean a surface of a cleaning target and image forming apparatus incorporating same | Takahiro Imada, Yoshikuni Sasaki, Hironori Yamaoka, Yasunori Ishigaya, Takumi Waida | 2020-12-01 |
| 10663894 | Fixing device and image forming apparatus | Jun Okamoto, Haruyuki Honda, Takumi Waida, Kiwako Hiroi, Yuusuke Furuichi +1 more | 2020-05-26 |
| 10054885 | Pressure and pressure relief device, fixing device, and image forming apparatus | Jun Okamoto, Yuusuke Furuichi, Haruyuki Honda, Kiwako Hiroi, Kenichi Hasegawa | 2018-08-21 |
| 9989897 | Fixing device and image forming apparatus including fixing device with lubricant movement restrictors | Jun Okamoto, Hiroyuki Shimada, Haruyuki Honda | 2018-06-05 |
| 9811029 | Fixing device and image forming apparatus including the same | Haruyuki Honda, Ryuuichi Mimbu, Yoshiki Yamaguchi, Toshihiko Shimokawa | 2017-11-07 |
| 9811043 | Image forming apparatus | Ryuuichi Mimbu, Haruyuki Honda, Toshihiko Shimokawa, Yoshiki Yamaguchi | 2017-11-07 |
| 9753417 | Fixing device including outlet guide member and image forming apparatus thereof | Yoshiki Yamaguchi, Haruyuki Honda, Ryuuichi Mimbu, Toshihiko Shimokawa, Yutaka Ikebuchi +4 more | 2017-09-05 |
| 9696668 | Fixing device and image forming apparatus | Yoshiki Yamaguchi, Ryuuichi Mimbu, Haruyuki Honda, Toshihiko Shimokawa | 2017-07-04 |
| 9581945 | Fixing exit guide plate, fixing device, and image forming apparatus | Haruyuki Honda, Ryuuichi Mimbu, Yoshiki Yamaguchi, Toshihiko Shimokawa | 2017-02-28 |
| 9529308 | Image forming apparatus and image forming method | Yutaka Ikebuchi, Ryuuichi Mimbu, Yasunori Ishigaya, Yoshiki Yamaguchi, Kazuya Saito +2 more | 2016-12-27 |
| 9501006 | Fixing device, image forming apparatus, and fixing method | Toshihiko Shimokawa, Ryuuichi Mimbu, Kazuya Saito, Haruyuki Honda, Yoshiki Yamaguchi +1 more | 2016-11-22 |
| 9494901 | Fixing device and image forming apparatus with a rotatable light shield | Kazuya Saito, Ryuuichi Mimbu, Toshihiko Shimokawa, Haruyuki Honda, Yoshiki Yamaguchi +3 more | 2016-11-15 |
| 9329542 | Fixing device and image forming apparatus | Yuji Arai, Kazuya Saito, Hiroshi Yoshinaga, Shuntaro Tamaki | 2016-05-03 |
| 9316964 | Fixing device and image forming apparatus | Yoshiki Yamaguchi, Ryuuichi Mimbu, Yasunori Ishigaya, Toshihiko Shimokawa, Kazuya Saito +1 more | 2016-04-19 |
| 9316950 | Development device, process cartridge, image forming apparatus incorporating same, and developer amount adjustment method therefor | Tomoko Takahashi, Yoshiyuki Fukuda, Sho Akiyama, Takamasa Ozeki, Yoshinori Nakagawa +3 more | 2016-04-19 |
| 9310715 | Developing device and image forming apparatus | Yoshiyuki Fukuda, Sho Akiyama, Yuki Oshikawa, Noriyuki Kimura | 2016-04-12 |
| 9141034 | Developing device and image forming apparatus and process cartridge incorporating same | Yoshiyuki Fukuda, Sho Akiyama, Noriyuki Kimura | 2015-09-22 |
| 9046839 | Fixing device including a heat shield and image forming apparatus | Yuji Arai, Masaaki Yoshikawa, Takayuki Seki, Takeshi Yamamoto, Ryuuichi Mimbu +11 more | 2015-06-02 |
| 8989621 | Development device, and process cartridge and image forming apparatus including same | Toshio Koike, Hiroaki Okamoto, Atsushi Nakamoto, Yoshiyuki Fukuda | 2015-03-24 |
| 8970858 | Operator guidance system and image forming apparatus incorporating same | Mami Akiyama, Yasuhiro Sagawa, Masaharu Furuya, Manabu Izumikawa, Mikio Ishibashi +3 more | 2015-03-03 |
| 8787802 | Developing device, process cartridge, and image-forming apparatus | Atsushi Nakamoto, Yoshiyuki Fukuda, Toshio Koike, Hiroaki Okamoto | 2014-07-22 |
| 8676099 | Developing apparatus, process cartridge, and image forming apparatus | Yoshiyuki Fukuda, Atsushi Nakamoto | 2014-03-18 |
| 8626034 | Development device, and image forming apparatus and process cartridge incorporating same | Toshio Koike, Yoshiyuki Fukuda, Atsushi Nakamoto, Hiroaki Okamoto | 2014-01-07 |