Issued Patents All Time
Showing 1–25 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416896 | Developing cartridge provided with cover | Nao Itabashi, Naoya Kamimura, Hideshi Nishiyama | 2025-09-16 |
| 11733646 | Developing cartridge provided with cover | Nao Itabashi, Naoya Kamimura, Hideshi Nishiyama | 2023-08-22 |
| 11669043 | Developing cartridge provided with cover | Nao Itabashi, Naoya Kamimura, Hideshi Nishiyama | 2023-06-06 |
| 11644790 | Developing cartridge provided with cover | Nao Itabashi, Naoya Kamimura, Hideshi Nishiyama | 2023-05-09 |
| 10901361 | Developing cartridge provided with cover | Nao Itabashi, Naoya Kamimura, Hideshi Nishiyama | 2021-01-26 |
| 10620580 | Developing cartridge provided with cover | Nao Itabashi, Naoya Kamimura, Hideshi Nishiyama | 2020-04-14 |
| 10303112 | Developing cartridge provided with cover | Nao Itabashi, Naoya Kamimura, Hideshi Nishiyama | 2019-05-28 |
| 10228650 | Image forming apparatus and drum unit thereof provided with drum cleaner | Junichi Hashimoto | 2019-03-12 |
| 10061258 | Drum unit | Junichi Hashimoto | 2018-08-28 |
| 10048645 | Developing cartridge provided with cover | Nao Itabashi, Naoya Kamimura, Hideshi Nishiyama | 2018-08-14 |
| 9964915 | Image forming apparatus and drum unit with conveying unit for conveying toner removed from photosensitive drum | Junichi Hashimoto | 2018-05-08 |
| 9910381 | Image-forming apparatus | Naoya Kamimura | 2018-03-06 |
| 9891581 | Developing cartridge provided with cover | Nao Itabashi, Naoya Kamimura, Hideshi Nishiyama | 2018-02-13 |
| 9829853 | Image forming apparatus | Junichi Hashimoto, Yoshiyuki Okazaki, Ryosuke Sakai, Takamasa Tsukada | 2017-11-28 |
| 9804553 | Image forming apparatus and drum unit | Junichi Hashimoto | 2017-10-31 |
| 9760056 | Image forming apparatus and drum unit | Junichi Hashimoto | 2017-09-12 |
| 9760058 | Image forming apparatus providing stable engagement between gears upon attachment of drum unit to housing | Junichi Hashimoto | 2017-09-12 |
| 9696682 | Image forming apparatus and drum unit with conveying unit for conveying toner removed from photosensitive drum | Junichi Hashimoto | 2017-07-04 |
| 9581955 | Drum unit | Junichi Hashimoto | 2017-02-28 |
| 9529302 | Developing cartridge provided with cover | Nao Itabashi, Naoya Kamimura, Hideshi Nishiyama | 2016-12-27 |
| 9465329 | Cleaning unit and image forming apparatus provided with the same | Yoshiyuki Okazaki, Junichi Hashimoto, Takamasa Tsukada | 2016-10-11 |
| 9417596 | Drum unit | Junichi Hashimoto | 2016-08-16 |
| 9354599 | Drum unit capable of grounding photosensitive drum and cleaning member | Junichi Hashimoto | 2016-05-31 |
| 9323214 | Developing cartridge provided with cover, and process cartridge having the same | Nao Itabashi, Naoya Kamimura, Hideshi Nishiyama | 2016-04-26 |
| 9298133 | Developing device provided with seal configured to prevent developer leakage | Yoshinori Ito | 2016-03-29 |