Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12271126 | Image forming apparatus configured to perform cleaning operation for cleaning drum cleaning roller configured to collect toner on photosensitive drum | Toshio Furukawa, Koji Ogawa, Fan Xu, Kazuma Hinoue, Hotaka Kakutani +12 more | 2025-04-08 |
| 12216416 | Image forming apparatus | Shougo Sato | 2025-02-04 |
| 11392083 | Image forming apparatus including drum cartridge having photosensitive drum and toner cartridge having developing roller | Shunji Yoshimoto, Naoya Kamimura, Masashi Imai, Keita Hironaka, Hotaka Kakutani | 2022-07-19 |
| 10915064 | Image forming apparatus including drum cartridge having photosensitive drum and toner cartridge having developing roller | Shunji Yoshimoto, Naoya Kamimura, Masashi Imai, Keita Hironaka, Hotaka Kakutani | 2021-02-09 |
| 9040217 | Carrier, two-component developer using the same, and image-forming apparatus using said developer | Kazuki Takatsuka, Tatsuo Imafuku, Takahiro Bito, Takeshi Satoh | 2015-05-26 |
| 8649706 | Charging apparatus and image forming apparatus including same | Toshiaki Ino, Hiroo Naoi, Katsuya Takano, Yasuhiro Nishimura | 2014-02-11 |
| 8369747 | Charging device and image forming apparatus | Hiroo Naoi, Toshiaki Ino, Katsuya Takano, Yasuhiro Nishimura | 2013-02-05 |