Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11172121 | Image forming apparatus, cartridge and image forming apparatus system having erroneous cartridge insertion prevention | Masato Tanabe, Kazuo Chadani, Sadaaki Tani, Yuuki Nakamura | 2021-11-09 |