Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8659501 | Meta material antenna using coupling in helical structure | Byung Hoon Ryou, Won Mo Sung, Gi Ho Kim | 2014-02-25 |
| 8581796 | Antenna using complex structure having periodic, vertical spacing between dielectric and magnetic substances | Byung Hoon Ryou, Won Mo Sung | 2013-11-12 |
| 5721750 | Laser diode for optoelectronic integrated circuit and a process for preparing the same | Young-Se Kwon | 1998-02-24 |