Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10845723 | Photosensitive drum unit to address vibration of a charge roller | Toru Oguma, Takatoshi Hamada | 2020-11-24 |
| D889415 | Process cartridge for image forming apparatus | Toru Oguma, Naoya Asanuma, Tetsuya Numata, Takuya Kawakami, Yohei Kusano +4 more | 2020-07-07 |
| 10606210 | Development device, process cartridge, and image forming apparatus | Toru Oguma, Tetsuya Numata | 2020-03-31 |