Issued Patents 2023
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11714378 | Developing cartridge including shaft and cam having cam surface | Yuwen Wang, Junichi Hashimoto, Isao Kishi | 2023-08-01 |
| 11693331 | Developer cartridge | Yuwen Wang, Isao Kishi, Junichi Hashimoto | 2023-07-04 |
| 11693353 | Cartridge including holder for holding electrical contact surface and method of recycling cartridge | Nao Itabashi, Kazuya Kamikawa, Shuhei Hatano | 2023-07-04 |
| D989856 | Toner cartridge | Yuwen Wang, Masayoshi Mita | 2023-06-20 |
| 11573503 | Developing cartridge having electrode contactable with another electrode by pivot motion of the cartridge | Yuwen Wang, Junichi Hashimoto, Isao Kishi | 2023-02-07 |
| 11561502 | Image forming apparatus including support frame with ground plate and contact spring | Hikaru Iino | 2023-01-24 |