Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11400399 | Filter, metal ion removing method, and metal ion removing apparatus | Mitsuaki Kobayashi, Yukihisa Okada, Takaaki Shirai | 2022-08-02 |
| 11256458 | Image forming apparatus with a confirmation printing function and a printing timeout function | — | 2022-02-22 |