Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12242209 | Image forming apparatus | Takashi Mukai, Hideo Kihara, Nobuo Oshima, Takahiro Kawamoto, Takayuki Kanazawa | 2025-03-04 |
| 10877395 | Developing device, process cartridge and image forming apparatus | Takuya Oka, Yoshihiro Mitsui | 2020-12-29 |
| 10866539 | Unit having a developer conveying member and a filter for a chamber | Hisashi Taniguchi, Takayoshi Kihara, Shota Nakamura | 2020-12-15 |
| 10852175 | Image forming apparatus | Kodai Hayashi, Yoshihiro Mitsui, Shunsuke Matsushita | 2020-12-01 |
| 10852660 | Image forming apparatus that regulates developing agent and applies regulatory bias | Kosuke Ikada, Katsuichi Abe, Kodai Hayashi, Yasukazu Ikami, Shinichi Hagiwara | 2020-12-01 |
| 10761453 | Developing device, process cartridge, and image forming apparatus | Takayoshi Kihara, Yoshihiro Mitsui, Yasukazu Ikami, Shunsuke Matsushita, Takuya Oka | 2020-09-01 |
| 10656554 | Image forming apparatus | Hisashi Taniguchi, Shunsuke Matsushita | 2020-05-19 |
| 10656547 | Image forming apparatus mountable with image bearing member unit and developer bearing member | Kodai Hayashi, Shinichi Agata, Keisuke Endoh | 2020-05-19 |
| 10649384 | Image forming apparatus | Kodai Hayashi, Taku Watanabe, Keisuke Endoh | 2020-05-12 |
| 10191410 | Developing device, process cartridge, and image forming apparatus | Hisashi Taniguchi | 2019-01-29 |
| 9927737 | Developing apparatus and process cartridge | Nobuyoshi Yoshida, Hideki Kakuta, Akihiro Fujiwara | 2018-03-27 |
| 9804549 | Image forming apparatus | Kodai Hayashi, Yoshihiro Mitsui, Shunsuke Matsushita | 2017-10-31 |
| 9501032 | Process cartridge having projected portions and recessed portions provided on surface of charging member and image forming apparatus thereof | Makoto Tokudome, Daisuke Baba, Shun Sato | 2016-11-22 |
| 9411259 | Image forming apparatus | Kodai Hayashi, Yoshihiro Mitsui, Naoki Fukushima | 2016-08-09 |
| 9411260 | Image forming apparatus having developing bias and supply bias application units | Yoshihiro Mitsui, Kodai Hayashi, Naoki Fukushima | 2016-08-09 |
| 9372434 | Image forming apparatus with lubricated developer carrying member | Kodai Hayashi, Yoshihiro Mitsui, Hisashi Taniguchi, Shunsuke Matsushita | 2016-06-21 |
| 9348256 | Image forming apparatus with voltage applying device | Yoshihiro Mitsui, Kodai Hayashi, Hisashi Taniguchi | 2016-05-24 |
| 9310713 | Developer container, developing device, process cartridge, and image forming apparatus | Hideki Maeshima, Kuniaki Hirukawa, Shuichi Gofuku, Hisashi Taniguchi, Kodai Hayashi +1 more | 2016-04-12 |
| 9176414 | Charging device and image forming apparatus | Shun Sato, Daisuke Baba, Makoto Tokudome | 2015-11-03 |
| 8811833 | Image forming apparatus | Motoki Adachi, Masanori Tanaka, Hideo Kihara, Takashi Mukai, Shinichi Agata +1 more | 2014-08-19 |
| 8600249 | Image forming apparatus | Yuji Kawaguchi, Motoki Adachi | 2013-12-03 |
| 8577248 | Image forming apparatus | Motoki Adachi, Tomoo Akizuki | 2013-11-05 |
| 8488997 | Image forming apparatus controlling standby positions of developing devices | Motoki Adachi, Yuji Kawaguchi, Masanori Tanaka | 2013-07-16 |
| 8155539 | Image forming apparatus with electrostatic capacity detection | Motoki Adachi, Yuji Kawaguchi | 2012-04-10 |
| 8155564 | Image forming apparatus | Motoki Adachi, Yuji Kawaguchi, Daisuke Aoki | 2012-04-10 |