Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12474650 | Drum unit and image formation apparatus | — | 2025-11-18 |
| 11256189 | Toner container, image forming unit, and image forming apparatus | Shin-ichi Yamada | 2022-02-22 |
| 10948840 | Toner container, image forming unit, and image forming apparatus | Shin-ichi Yamada | 2021-03-16 |
| 10401749 | Toner, developing agent container, image forming unit, and image forming apparatus | — | 2019-09-03 |
| 9618866 | Developer, developer storage body, developing device and image forming apparatus | — | 2017-04-11 |