Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12181805 | Method for error handling in the toner refill process | Mok-Hwa Lim, Hyeonseung Lee, Jincheol KIM, ByeongNo Jeong, Sungchul Ahn | 2024-12-31 |
| 11892781 | Method for error handling in the toner refill process | Mok-Hwa Lim, Hyeonseung Lee, Jincheol KIM, ByeongNo Jeong, Sungchul Ahn | 2024-02-06 |
| 11892799 | Image forming apparatus for guiding refilling operation of toner | Jongwon Hong, Haneol Yoon, Mok-Hwa Lim, Hyeonseung Lee | 2024-02-06 |
| 11586142 | Image forming apparatus for guiding refilling operation of toner | Jongwon Hong, Haneol Yoon, Mok-Hwa Lim, Hyeonseung Lee | 2023-02-21 |
| 11442380 | Controlling toner refill by using toner refill cartridge | Jea Hong Park | 2022-09-13 |
| 11249417 | Toner refill control using reusable refill apparatus | Sun-kye Hwang | 2022-02-15 |
| 11209762 | Method for error handling in the toner refill process | Mok-Hwa Lim, Hyeonseung Lee, Jincheol KIM, ByeongNo Jeong, Sungchul Ahn | 2021-12-28 |
| 9348296 | Method of controlling image forming apparatus connected to external device via external device interface unit and image forming apparatus using the same | Jie-hwan Park | 2016-05-24 |
| 9117545 | Sense-amplifier driving device and semiconductor device including the same | — | 2015-08-25 |
| 6313029 | Method for forming multi-layer interconnection of a semiconductor device | — | 2001-11-06 |