Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11143981 | Developing cartridge including casing and first and second agitators for agitating toner accommodated in casing | Kazuaki Ooka, Junichi Hashimoto, Keigo Nakajima, Kengo Yada | 2021-10-12 |
| 10901340 | Developing cartridge including casing and first and second agitators for agitating toner accommodated in casing | Kazuaki Ooka, Junichi Hashimoto, Keigo Nakajima, Kengo Yada | 2021-01-26 |
| 10890858 | Development device | Kengo Yada, Keigo Nakajima, Kazuaki Ooka | 2021-01-12 |