Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11016411 | Process cartridge, developing apparatus, and image forming apparatus | Naoki Matsumaru, Joji Goto | 2021-05-25 |
| 10895825 | Developer accommodating container, developing device and process cartridge | Naoya Asanuma, Yohei Kusano, Hideki Kakuta | 2021-01-19 |