| 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 |