Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10845723 | Photosensitive drum unit to address vibration of a charge roller | Hiroaki Nosho, Toru Oguma | 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 |
| 10678164 | Developer container, developing device and process cartridge | Yohei Kusano, Naoya Asanuma | 2020-06-09 |
| 10551767 | Manufacturing method for developer container, developer container, developing apparatus, and process cartridge | Naoya Asanuma, Tetsuya Numata | 2020-02-04 |