Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10976680 | Image forming apparatus in which AC-type biasing is adopted for charging or development | Takuji Watanabe | 2021-04-13 |
| 10979580 | Image processing apparatus capable of extending function, and image forming apparatus provided with the same | — | 2021-04-13 |
| 10901339 | Image forming apparatus which suppresses image defects due to interference between a charging alternating-current frequency and a developing alternating-current frequency | Takuji Watanabe | 2021-01-26 |