Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12393135 | Image forming apparatus | Norihiro Shirahata, Satoru Motohashi | 2025-08-19 |
| 12313982 | Image forming apparatus having longer term anti-fogging | Norihiro Shirahata, Satoru Motohashi | 2025-05-27 |
| 12271140 | Brush having a higher contact pressure with an image bearing member at an upstream end of the brush and image forming apparatus | Takayuki Kanazawa, Nobuo Oshima, Takayoshi Kihara, Kuniaki Tamagaki, Taichi Sato | 2025-04-08 |
| 12253811 | Developing device | Satoshi Sunahara, Satoru Motohashi, Go Shindo | 2025-03-18 |
| 12204269 | Image forming apparatus including movable brush member | Satoru Motohashi, Kuniaki Tamagaki, TSUBASA YOSHIDA | 2025-01-21 |
| 12181826 | Image forming apparatus | Takayoshi Kihara, Takayuki Kanazawa, Taichi Sato | 2024-12-31 |
| 12124182 | Image-forming apparatus to control potential difference based on image-forming operation | Shuichi Tetsuno, Toshihiko Takayama, Shimpei Ishikawa, Shunsuke Matsushita, Mikihiko Hamada | 2024-10-22 |
| 11860566 | Image forming apparatus | Takayuki Kanazawa, Nobuo Oshima, Takayoshi Kihara, Kuniaki Tamagaki, Taichi Sato | 2024-01-02 |
| 11675288 | Image forming apparatus | Taichi Sato, Takashi Mukai, Yasukazu Ikami, FUKA ENOKIDO | 2023-06-13 |
| 11650515 | Image forming apparatus | Yasukazu Ikami, Takashi Mukai, Taichi Sato, FUKA ENOKIDO | 2023-05-16 |
| 11378910 | Process cartridge and image forming apparatus | Takashi Mukai, Takashi Hiramatsu, Takayuki Namiki, Takumi Furukawa, Yuichi Kikuchi +1 more | 2022-07-05 |
| 10871743 | Cleaning device for removing a developer, process cartridge and image forming apparatus | Takayuki Kanazawa | 2020-12-22 |
| 10852686 | Cleaning device for image bearing member, process cartridge and image forming apparatus | Takayuki Kanazawa | 2020-12-01 |
| 10578991 | Image forming apparatus having nip portion holding recording material between transfer member and image bearing member | Shunsuke Mizukoshi, Makoto Fukatsu, Yuta Isobe | 2020-03-03 |
| 9594320 | Toner and method of producing the toner | Makoto Fukatsu, Manami Haraguchi, Atsushi Nakamoto, Kazunari Hagiwara, Tatsuaki Orihara | 2017-03-14 |
| 9442418 | Developing device, process cartridge and image forming apparatus | Takahiro Kawamoto, Kazuhisa Kemmochi, Masayoshi Kato, Makoto Fukatsu, Atsushi Nakamoto +3 more | 2016-09-13 |
| 9405217 | Developer carrying member and image forming apparatus | Kazunari Hagiwara, Tatsuaki Orihara, Makoto Fukatsu, Atsushi Nakamoto | 2016-08-02 |
| 9298128 | Image forming apparatus | Tatsuaki Orihara, Kazunari Hagiwara, Manami Haraguchi, Makoto Fukatsu, Atsushi Nakamoto | 2016-03-29 |
| 9261814 | Developer carrying member, developing assembly, process cartridge, and image forming apparatus | Kazunari Hagiwara, Tatsuaki Orihara, Yasuyuki Matsumoto, Manami Haraguchi, Atsushi Nakamoto +1 more | 2016-02-16 |
| 9261811 | Developer carrying member, developing assembly, process cartridge, and image forming apparatus | Kazunari Hagiwara, Tatsuaki Orihara, Yasuyuki Matsumoto, Naoki Fuei, Makoto Fukatsu +1 more | 2016-02-16 |
| 9134649 | Image forming apparatus | Tatsuaki Orihara, Kazunari Hagiwara, Manami Haraguchi, Makoto Fukatsu, Atsushi Nakamoto | 2015-09-15 |