Issued Patents 2021
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11209750 | Toner refill cartridge with holder holding memory unit thereon and rotatable with respect to cartridge body | Woong-Yong Choi | 2021-12-28 |
| 11175607 | Print particle output assembly | Andy Chick, Pratik Shah, Min-Chul Lee, Matthew James Storey, Zackary Thomas Hickman +3 more | 2021-11-16 |
| 11156939 | Toner level determination and notification | Kenneth K. Smith, Min-Chul Lee, Andrew P. Chick, Matthew James Storey, Jefferson Blake West +4 more | 2021-10-26 |
| 11126113 | Structure for releasing internal pressure in development cartridge when refilling toner | Seung-gweon Lee, Woong-Yong Choi, Yong Il Moon, Yong Nam Ahn, Jin Hwa Hong | 2021-09-21 |
| 10927970 | Cylinder comprising fluid pressure adjustment valve having improved storage capability | Weon Yang Yu, Sang Hoon Jeon, Kyoung Min Ma, Dae Yong Kwon, Sang Youl Yi +1 more | 2021-02-23 |
| D907698 | Development cartridge for a printer | Seung-gweon Lee, Woong-Yong Choi, Yong-Kwan Cho, Yongil Moon, Yongnam Ahn +5 more | 2021-01-12 |