Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11467517 | Toner refill cartridge with automatic refilling structure | Yunkyu Shim, Seunggweon Lee | 2022-10-11 |
| 11364725 | Authentication mechanisms | Jiwon Moon, Minul Lee, SeungSup Lee, Jinhwa Hong, Matthew James Storey +3 more | 2022-06-21 |
| 11366407 | Structure to refill toner to development cartridge mounted in main body | Yong-Kwan Cho, Seung-gweon Lee, Jiwon Moon, Yongil Moon, Yongnam Ahn +1 more | 2022-06-21 |
| 11231662 | Shutter structure for toner refill cartridge | Seung-gweon Lee | 2022-01-25 |