Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11150574 | Image forming apparatus | Tamotsu Shimizu, Kazunori Tanaka, Kanako Morimoto | 2021-10-19 |
| 11067923 | Image forming apparatus capable of predicting the level of occurrence of a transfer memory and the cause of occurrence thereof | Tamotsu Shimizu, Takahiro Okubo, Mitsuhiro Hashimoto, Kazuhiro Nakachi | 2021-07-20 |
| 10996585 | Image forming apparatus | Tamotsu Shimizu, Mitsuhiro Hashimoto, Takahiro Okubo, Kazuhiro Nakachi | 2021-05-04 |