Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9892350 | Image-forming apparatus having internal security paper detection unit and image-forming method thereof | Min Sik Kim, Seung Jin Ryu, Han-Jun Yoon, Do Hoon Lee, Nak Jun JEONG | 2018-02-13 |