Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11194268 | Image forming apparatus including a body with a shutter member and a cartridge with shutter member | Joji Goto | 2021-12-07 |
| 10928769 | Developing cartridge and image forming apparatus | Osamu Anan, Masato Tanabe, Kazutaka Sueshige | 2021-02-23 |
| D907699 | Process cartridge for image forming apparatus | Masato Tanabe, Kazutaka Sueshige | 2021-01-12 |