Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8070254 | Printing head cleaning apparatus, image forming apparatus having the same and method to clean printing head | Karp-sik Youn, Dong Woo Ha | 2011-12-06 |
| 7740336 | Array type multi-pass inkjet printer and operating method thereof | Soo Hyun Kim, Masahiko Habuka, Heon-soo Park, Karp-sik Youn, Hee Yuel ROH | 2010-06-22 |