Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D889415 | Process cartridge for image forming apparatus | Toru Oguma, Naoya Asanuma, Tetsuya Numata, Takuya Kawakami, Daisuke Hiramatsu +4 more | 2020-07-07 |
| 10678164 | Developer container, developing device and process cartridge | Naoya Asanuma, Takatoshi Hamada | 2020-06-09 |