Issued Patents All Time
Showing 1–25 of 32 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 |
| 12147171 | Developing cartridge including casing and first and second agitators for agitating toner accommodated in casing | Kazuaki Ooka, Junichi Hashimoto, Shota Iriyama, Kengo Yada | 2024-11-19 |
| 12050428 | Image forming apparatus requesting execution of density correction process | Tadao Kyotani | 2024-07-30 |
| 11720049 | Developing cartridge including first cam rotatable with first gear and second cam rotatable with second gear to separate developing roller from photosensitive drum | Nao Itabashi, Atsushi Fukaya, Naoya Kamimura, Daisuke Maeta | 2023-08-08 |
| 11675304 | Image forming apparatus requesting execution of density correction process | Tadao Kyotani | 2023-06-13 |
| 11537061 | Image forming apparatus, and control method for the same | Shota Iriyama, Toshio Furukawa | 2022-12-27 |
| 11537062 | Developing cartridge including casing and first and second agitators for agitating toner accommodated in casing | Kazuaki Ooka, Junichi Hashimoto, Shota Iriyama, Kengo Yada | 2022-12-27 |
| 11415912 | Developing cartridge including agitator configured to contact peripheral surface of supply roller | Hotaka Kakutani, Kazuaki Ooka, Kengo Yada, Ayaka Komori, Shota Iriyama +1 more | 2022-08-16 |
| 11372359 | Image forming apparatus requesting execution of density correction process | Tadao Kyotani | 2022-06-28 |
| 11143981 | Developing cartridge including casing and first and second agitators for agitating toner accommodated in casing | Kazuaki Ooka, Junichi Hashimoto, Shota Iriyama, Kengo Yada | 2021-10-12 |
| 11061357 | Image forming apparatus with rotation-controllable photosensitive drum and movable developing roller | Kazuaki Ooka, Masahito Saeki | 2021-07-13 |
| 10901340 | Developing cartridge including casing and first and second agitators for agitating toner accommodated in casing | Kazuaki Ooka, Junichi Hashimoto, Shota Iriyama, Kengo Yada | 2021-01-26 |
| 10890858 | Development device | Kengo Yada, Shota Iriyama, Kazuaki Ooka | 2021-01-12 |
| 10739698 | Developing cartridge including casing and first and second agitators for agitating toner accommodated in casing | Kazuaki Ooka, Junichi Hashimoto, Shota Iriyama, Kengo Yada | 2020-08-11 |
| 10684584 | Development device | Shota Iriyama, Kengo Yada, Kei Katagiri, Kazuaki Ooka | 2020-06-16 |
| 10452023 | Image forming apparatus and drum cartridge | Mayu Wakamatsu, Masatoshi Shiraki, Kei Katagiri, Shota Iriyama | 2019-10-22 |
| 10386784 | Image forming apparatus including handle cover configured to cover handle of drum cartridge | Mayu Wakamatsu, Masatoshi Shiraki, Kei Katagiri, Shota Iriyama | 2019-08-20 |
| 10274862 | Image forming apparatus including drum cartridge | Shota Iriyama, Masatoshi Shiraki, Mayu Wakamatsu, Kei Katagiri | 2019-04-30 |
| 10248072 | Cleaning roller provided with shaft and elastic body wound thereabout | Kengo Yada, Yuichi Matsushita, Hotaka Kakutani, Shota Iriyama, Atsushi Ozawa | 2019-04-02 |
| 10031467 | Cleaning roller provided with shaft and elastic body wound thereabout | Kengo Yada, Yuichi Matsushita, Hotaka Kakutani, Shota Iriyama, Atsushi Ozawa | 2018-07-24 |
| 9989914 | Cleaning roller and cleaning device | Kengo Yada, Yuichi Matsushita, Hotaka Kakutani, Shota Iriyama, Atsushi Ozawa | 2018-06-05 |
| 9020390 | Developing device having seal members to restrict toner leakage | Yasuo Fukamachi, Masahiro Ishii, Takuya Kanda, Kenta Tosuji | 2015-04-28 |
| 9014592 | Developing device having seal members to restrict toner leakage | Yasuo Fukamachi, Masahiro Ishii, Takuya Kanda, Kenta Tosuji | 2015-04-21 |
| 8903267 | Developing device | — | 2014-12-02 |
| 8855524 | Developing apparatus, process cartridge and image forming apparatus | Hiroshi Handa | 2014-10-07 |