Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7997708 | Ink-cartridge for printers and ink refilling method | Kwang-Choon Chung, Chang-Soo Yu, Young Chul Shin, Baek Song Heo | 2011-08-16 |
| 7955528 | Conductive inks and manufacturing method thereof | Kwang-Choon Chung, Hyun-Nam Cho, Myoung-Seon Gong, Yi-Sup Han, Jeong-Bin Park +3 more | 2011-06-07 |