Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11169456 | Electrophotographic photoreceptor | Mayuko MATSUSAKI, Tomoko Sakimura, Hiroki Takao | 2021-11-09 |
| 11169457 | Electrophotographic image forming method and electrophotographic image forming system | Hiroki Takao, Tomoko Sakimura, Mayuko MATSUSAKI | 2021-11-09 |
| 10948866 | Electrophotographic image forming apparatus and electrophotographic image forming method | Hiroki Takao, Tomoko Sakimura, Mayuko MATSUSAKI | 2021-03-16 |