Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11126113 | Structure for releasing internal pressure in development cartridge when refilling toner | Ji-Won Moon, Woong-Yong Choi, Yong Il Moon, Yong Nam Ahn, Jin Hwa Hong | 2021-09-21 |
| 11112750 | Development cartridge having a switch member to rotate developing unit to a development position | Sang Hoon Lee, Seung Beom Yang | 2021-09-07 |
| 11036164 | Toner cartridge for refilling toner by using elastic force | Woong-Yong Choi, Jin Hwa Hong | 2021-06-15 |
| D907698 | Development cartridge for a printer | Ji-Won Moon, Woong-Yong Choi, Yong-Kwan Cho, Yongil Moon, Yongnam Ahn +5 more | 2021-01-12 |