Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10866549 | Fixing device capable of restricting electric connection state from becoming unstable, image forming apparatus | Atsushi Kohama, Yuhiro Sakai, Hiroki Kawasaki | 2020-12-15 |
| 10838335 | Fixing device capable of restricting heater from bending toward pressure roller, image forming apparatus | Yuhiro Sakai | 2020-11-17 |
| 10768561 | Fixing device and image forming apparatus | Hiroki Kawasaki, Atsushi Kohama, Yuhiro Sakai | 2020-09-08 |
| 10627756 | Fixing device and image forming apparatus | Hiroki Kawasaki, Atsushi Kohama, Yuhiro Sakai | 2020-04-21 |