Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8289109 | Electromagnetic bandgap pattern structure, method of manufacturing the same, and security product using the same | Jong Won Yu, Hyeong Seok Jang, Dong Hoon Shin, Jin Ho Ryu, Hyun Mi Kim +1 more | 2012-10-16 |
| 8146800 | Apparatus for recognizing security code having electromagnetic band-gap pattern | Jong Won Yu, Hyeong Seok Jang, Won Seok JEONG, Jin Ho Ryu, Hyun Mi Kim | 2012-04-03 |