Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11048194 | Fixing device, image forming apparatus, and heat- conducting multilayer body | Kazuyoshi Itoh, Kiyoshi Koyanagi | 2021-06-29 |
| 10962910 | Heating member for fixing device and image forming apparatus | Kiyoshi Koyanagi, Toru Inoue | 2021-03-30 |
| 10942479 | Fixing device and image forming apparatus | Kiyoshi Koyanagi, Toru Inoue, Sou Morizaki | 2021-03-09 |