Issued Patents All Time
Showing 1–15 of 15 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 |
| 12259678 | Image forming apparatus including cover having opening that allows toner cartridge to pass therethrough but does not allow drum cartridge to pass therethrough | Shougo Sato, Enao YAMADA, Shunsuke Ishii | 2025-03-25 |
| 12169386 | Image forming apparatus including first process cartridge and second process cartridge attachable to drawer at positions adjacent to each other | Shougo Sato | 2024-12-17 |
| 12135512 | Image forming apparatus | Shougo Sato | 2024-11-05 |
| 12050431 | Image forming apparatus facilitating detachment of toner cartridge from process cartridge attached to housing of image forming apparatus | Shougo Sato | 2024-07-30 |
| 11874626 | Image forming apparatus including drum cartridge attachable to drawer and pressing member for pressing drum cartridge attached to drawer downward | Shougo Sato | 2024-01-16 |
| 11733645 | Image forming apparatus including first process cartridge and second process cartridge attachable to drawer at positions adjacent to each other | Shougo Sato | 2023-08-22 |
| 11693354 | Image forming apparatus facilitating detachment of toner cartridge from process cartridge attached to housing of image forming apparatus | Shougo Sato | 2023-07-04 |
| 11635709 | Image forming apparatus | Shougo Sato | 2023-04-25 |
| 11619897 | Image forming apparatus | Shintaro Fukuoka, Toshio Furukawa, Toshinori Araki, Masaya Takasu, Takuro Nishimura | 2023-04-04 |
| 11429058 | Image forming apparatus including first process cartridge and second process cartridge attachable to drawer at positions adjacent to each other | Shougo Sato | 2022-08-30 |
| 11422486 | Image forming apparatus | Shougo Sato | 2022-08-23 |
| 11294327 | Image forming apparatus facilitating detachment of toner cartridge from process cartridge attached to housing of image forming apparatus | Shougo Sato | 2022-04-05 |
| 11119441 | Image forming apparatus including drum cartridge attachable to drawer and pressing member for pressing drum cartridge attached to drawer downward | Shougo Sato | 2021-09-14 |
| 11016436 | Image forming apparatus including first process cartridge and second process cartridge attachable to drawer at positions adjacent to each other | Shougo Sato | 2021-05-25 |