Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11860565 | Restricting member, developing device, process cartridge, and image forming apparatus | Issei Imamura, Yuichiro Hirata, Takuya Oka | 2024-01-02 |
| 11693335 | Development cartridge | Takuya Oka, Issei Imamura, Keitaro Nakata | 2023-07-04 |
| 11300900 | Development cartridge | Takuya Oka, Issei Imamura, Keitaro Nakata | 2022-04-12 |