Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10591852 | Fixing device and image forming apparatus | Kiyoshi Koyanagi, Takaaki Sato, Kazuyoshi Itoh | 2020-03-17 |
| 10578998 | Fixing device and image forming apparatus | Kiyoshi Koyanagi, Takaaki Sato | 2020-03-03 |