Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11524510 | Adjusting a pickup time of a printing medium when a transfer delay occurs or is anticipated to occur | Chun Sub Ryu | 2022-12-13 |
| 9554018 | Image forming apparatus and controlling method thereof | — | 2017-01-24 |
| 8270858 | Image forming device to determine paper width and image forming method thereof | — | 2012-09-18 |
| 7050732 | Electrophotographic image-forming apparatus and charging voltage control method thereof | Dyoung-chul Bae, Su-jong Jeong | 2006-05-23 |
| 6917770 | Charging voltage controller of image forming apparatus | Byoung-chul Bae, Su-jong Jeong | 2005-07-12 |