Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11249417 | Toner refill control using reusable refill apparatus | Jang-Geun Kim | 2022-02-15 |
| 8997212 | Image forming apparatus to execute user authentication and method of executing user authentication in image forming apparatus | Byoung-yue Kim | 2015-03-31 |
| 8405847 | System and method for providing security data and image forming device therefor | — | 2013-03-26 |
| 7286772 | Toner monitoring network printer system and method of monitoring a toner cartridge thereof | — | 2007-10-23 |