Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10663888 | Developer container, image forming unit, image forming apparatus, and developer container control method | — | 2020-05-26 |
| 10665431 | Processing method | Kazuyuki Tezuka, Kenichi Kato, Atsushi Sawachi, Takamichi Kikuchi | 2020-05-26 |