Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12393138 | Toner refill cartridge having structure in which driving force is transmitted through toner outlet | Yongnam Ahn, Junhui Kim | 2025-08-19 |
| 12282273 | Development device having rotatable wiper wiping optical surface of lens | Yongnam Ahn, Jongin Kim, Shinhyup Kang | 2025-04-22 |
| 12235596 | Toner refill cartridge indicating whether toner has been discharged | Seungbin Ahn, Shinhyup Kang | 2025-02-25 |
| 12111604 | Structure for mounting development cartridge in image forming apparatus | Younghoon Kim, Wontaek Kim, Hohyun Hwang, Hwanghee Ryu, Saehoon HAN +4 more | 2024-10-08 |
| 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 |
| 11209754 | Structure for selectively locking toner inlet shutter of toner refill portion | SeungSup Lee, Min-Chul Lee, Jiwon Moon | 2021-12-28 |
| 11209747 | Dispensers with plungers | Jiwon Moon, Matthew James Storey, Jefferson Blake West, Bennett Alexander Nadeau | 2021-12-28 |
| 11204568 | Plunger locking structure in syringe type toner refill cartridge | Yongnam Ahn | 2021-12-21 |