Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8018306 | Resonator having a three dimensional defected ground structure in transmission line | Im-Seob Shin, Si-Chan Ryoo, Bon-Joong Koo | 2011-09-13 |
| 6252640 | Method for manufacturing a wide band polarization film | Sung Tae Kim, Tae Min Kim, Yang Kook Kim, Hee-Nam Hwang | 2001-06-26 |