Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12050414 | Developing device including filter detachable holder, process cartridge, and image forming apparatus | Yusuke Chiba, Takuya Suganuma, Kazuki Yogosawa, Taku Kumiya | 2024-07-30 |
| 11880160 | Filter holding device, developing device, process cartridge, image forming apparatus, and filter | Tatsuya Kubo, Kazuki Yogosawa, Yuta YABUTA, Takuya Suganuma | 2024-01-23 |
| 11275325 | Image forming apparatus including a process cartridge that includes a developing device | Yoshihiro Fujiwara, Nobuo Takami, Ryusuke Mase, Kazuki Yogosawa, Tomohiro Kubota +2 more | 2022-03-15 |
| 11256194 | Developing device, process cartridge, and image forming apparatus | Yuuki Tsuchiya, Yoshihiro Fujiwara, Yuki Oshikawa, Ryusuke Mase, Naohiro Kawashima | 2022-02-22 |