Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7665837 | Recording medium discharge apparatus and image forming apparatus having the same | — | 2010-02-23 |
| 7431520 | Image forming apparatus performing double-sided printing | Yong-duk Lee, Dong-hun Han | 2008-10-07 |
| 7417657 | Thermal printer and printing method | Dac-hycok Im, Kyung-pyo Kang, Hyoung Il Kim, Dong-hun Han, Yong-duk Lee | 2008-08-26 |
| 7367726 | Thermal image forming apparatus | Dong-hun Han, Yong-duk Lee | 2008-05-06 |