Issued Patents All Time
Showing 1–5 of 5 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, Miho Ishida, Shunsuke Ishii | 2025-03-25 |
| 11860567 | Drum cartridge and image forming apparatus having residual toner conveying pipe | Shougo Sato | 2024-01-02 |
| 11561499 | Drum cartridge and image forming apparatus having residual toner conveying pipe | Shougo Sato | 2023-01-24 |
| 11300920 | Drum cartridge and image forming apparatus having residual toner conveying pipe | Shougo Sato | 2022-04-12 |