Issued Patents 2023
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11853002 | 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 | 2023-12-26 |
| 11774902 | Drum unit having electrical contact surface positioned at outer surface of frame and image forming apparatus provided with the same | — | 2023-10-03 |
| 11714378 | Developing cartridge including shaft and cam having cam surface | Yuwen Wang, Junichi Hashimoto, Kazuaki Ooka | 2023-08-01 |
| 11693331 | Developer cartridge | Yuwen Wang, Kazuaki Ooka, Junichi Hashimoto | 2023-07-04 |
| 11573503 | Developing cartridge having electrode contactable with another electrode by pivot motion of the cartridge | Yuwen Wang, Junichi Hashimoto, Kazuaki Ooka | 2023-02-07 |
| 11550252 | Drawer including drawer frame, connector, and holder holding the same and movable relative to drawer frame | Shota Shinoya, Yuwen Wang | 2023-01-10 |