Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10139770 | Power source device and image forming apparatus | Yasuhiro Shimura | 2018-11-27 |
| 10063157 | Power source device and image forming apparatus | Yasuhiro Shimura | 2018-08-28 |
| 9966865 | Power supply apparatus and image forming apparatus | Yasuhiro Shimura | 2018-05-08 |