Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12271119 | Structure to pop up toner refill cartridge from mounting portion | Youngjo Kwon, Joonggwang Shin | 2025-04-08 |
| 12181805 | Method for error handling in the toner refill process | Mok-Hwa Lim, Hyeonseung Lee, Jang-Geun Kim, Jincheol KIM, Sungchul Ahn | 2024-12-31 |
| 11892781 | Method for error handling in the toner refill process | Mok-Hwa Lim, Hyeonseung Lee, Jang-Geun Kim, Jincheol KIM, Sungchul Ahn | 2024-02-06 |
| 11294301 | Detecting toner injection amount of toner refill cartridge | Sungchul Ahn, Seongho Jeong, Woojin Kim | 2022-04-05 |
| 11209762 | Method for error handling in the toner refill process | Mok-Hwa Lim, Hyeonseung Lee, Jang-Geun Kim, Jincheol KIM, Sungchul Ahn | 2021-12-28 |
| D907698 | Development cartridge for a printer | Ji-Won Moon, Seung-gweon Lee, Woong-Yong Choi, Yong-Kwan Cho, Yongil Moon +5 more | 2021-01-12 |