Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10520853 | Developer cartridge | Yuwen Wang, Isao Kishi, Junichi Hashimoto | 2019-12-31 |
| 10488813 | Drum unit | Yuwen Wang, Junichi Hashimoto, Isao Kishi | 2019-11-26 |
| 10459399 | Developing cartridge including shaft and cam having cam surface | Yuwen Wang, Junichi Hashimoto, Isao Kishi | 2019-10-29 |