Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9900989 | Printed circuit board and method of manufacturing the same | Yong Jik Lee, Jung Kyung SUNG, Hyun Duck Lim | 2018-02-20 |
| 7973619 | Electro-magnetic bandgap structure | Won Woo Cho, Dek-Gin Yang, Hyung Ho Kim | 2011-07-05 |