Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9721198 | Image-forming apparatus having external security paper detection unit and image-forming method thereof | Min Sik Kim, Han-Jun Yoon, Do Hoon Lee, Nak Jun JEONG, Min Ho Noh | 2017-08-01 |
| 9710872 | Information insertion method, information extraction method, and information extraction apparatus using dot-based information robust to geometric distortion | Min Sik Kim, Han-Jun Yoon, Do Hoon Lee | 2017-07-18 |
| 9560032 | Method and apparatus for preventing illegitimate outflow of electronic document | Min Sik Kim, Ki Heon Kim, Han-Jun Yoon, Do Hoon Lee | 2017-01-31 |