Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12321108 | Image forming apparatus | Issei Imamura, Shinichi Agata, Takuya Oka | 2025-06-03 |
| 11988979 | Image forming apparatus with developing member that supplies toner to surface of image bearing member to form toner image | Hisashi Taniguchi, Bunro Noguchi, Shinichi Agata, Keitaro Nakata | 2024-05-21 |
| 11835888 | Developing device, cartridge, image forming apparatus | Harunobu Maeda, Masahito Kato, Takuya Oka, Yu Akiba, Masato Tanabe +3 more | 2023-12-05 |
| 11372348 | Developing device, cartridge, image forming apparatus | Harunobu Maeda, Masahito Kato, Takuya Oka, Yu Akiba, Masato Tanabe +3 more | 2022-06-28 |
| 10852660 | Image forming apparatus that regulates developing agent and applies regulatory bias | Kosuke Ikada, Katsuichi Abe, Yasukazu Ikami, Shinichi Hagiwara, Shuhei Kawasaki | 2020-12-01 |
| 10852175 | Image forming apparatus | Shuhei Kawasaki, Yoshihiro Mitsui, Shunsuke Matsushita | 2020-12-01 |
| 10656547 | Image forming apparatus mountable with image bearing member unit and developer bearing member | Shuhei Kawasaki, Shinichi Agata, Keisuke Endoh | 2020-05-19 |
| 10649384 | Image forming apparatus | Taku Watanabe, Shuhei Kawasaki, Keisuke Endoh | 2020-05-12 |
| 10534288 | Developing device, process cartridge, and image forming apparatus | Shinichi Agata | 2020-01-14 |
| 9958805 | Image forming apparatus | Shunsuke Matsushita | 2018-05-01 |
| 9804549 | Image forming apparatus | Shuhei Kawasaki, Yoshihiro Mitsui, Shunsuke Matsushita | 2017-10-31 |
| 9766571 | Process cartridge with developing container for an image forming apparatus | Daisuke Baba, Makoto Tokudome, Masao Uyama, Yuichiro Hirata, Keisuke Mochizuki +1 more | 2017-09-19 |
| 9568855 | Developing device, process cartridge, and image forming apparatus for forming an image on a recording medium using an electrophotographic method | Yoshihiro Mitsui, Nobuyoshi Yoshida, Hisashi Taniguchi | 2017-02-14 |
| 9411260 | Image forming apparatus having developing bias and supply bias application units | Yoshihiro Mitsui, Shuhei Kawasaki, Naoki Fukushima | 2016-08-09 |
| 9411259 | Image forming apparatus | Yoshihiro Mitsui, Naoki Fukushima, Shuhei Kawasaki | 2016-08-09 |
| 9372434 | Image forming apparatus with lubricated developer carrying member | Yoshihiro Mitsui, Hisashi Taniguchi, Shuhei Kawasaki, Shunsuke Matsushita | 2016-06-21 |
| 9348256 | Image forming apparatus with voltage applying device | Yoshihiro Mitsui, Hisashi Taniguchi, Shuhei Kawasaki | 2016-05-24 |
| 9310713 | Developer container, developing device, process cartridge, and image forming apparatus | Hideki Maeshima, Kuniaki Hirukawa, Shuichi Gofuku, Shuhei Kawasaki, Hisashi Taniguchi +1 more | 2016-04-12 |
| 9280133 | Development device, process cartridge, and image forming apparatus | Nobuyoshi Yoshida, Yoshihiro Mitsui, Yuichiro Hirata, Shinya Yamamoto | 2016-03-08 |
| 9256157 | Moving mechanism for a developing device, process cartridge and image forming apparatus that reduces or removes press-contact forces on a developer carrying member | Makoto Tokudome, Daisuke Baba, Yuichiro Hirata, Norihito Naito, Masao Uyama | 2016-02-09 |
| 9213257 | Small-sized developing device and process cartridge having stable developer regulation | Daisuke Baba, Makoto Tokudome, Masao Uyama, Yuichiro Hirata, Keisuke Mochizuki +1 more | 2015-12-15 |
| 9116459 | Electrophotographic image forming apparatus | Shinya Yamamoto, Hisashi Taniguchi, Yuichiro Hirata | 2015-08-25 |
| 9116467 | Developing apparatus having a cutting surface at an end portion and process cartridge | Hisashi Taniguchi | 2015-08-25 |
| 9057976 | Image forming apparatus | Nobuyoshi Yoshida, Yoshihiro Mitsui, Hisashi Taniguchi | 2015-06-16 |