Issued Patents 2022
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11500322 | Image forming apparatus | Shota Shinoya | 2022-11-15 |
| 11429060 | Drum unit having electrical contact surface positioned at outer surface of frame and image forming apparatus provided with the same | — | 2022-08-30 |
| 11320779 | Drum unit | Yuwen Wang, Junichi Hashimoto, Kazuaki Ooka | 2022-05-03 |
| 11262695 | Drum unit having electrical contact surface positioned at outer surface of frame and image forming apparatus provided with the same | Nao Itabashi, Yohei Hashimoto, Kouji Watanabe, Makoto Souda | 2022-03-01 |
| 11256208 | Developing cartridge including shaft and cam having cam surface | Yuwen Wang, Junichi Hashimoto, Kazuaki Ooka | 2022-02-22 |
| 11249418 | Developer cartridge | Yuwen Wang, Kazuaki Ooka, Junichi Hashimoto | 2022-02-15 |