Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7332852 | One-way transparent optical system having light absorption elements and light refracting structures | Young-gu Jin, Hansol Cho, Joon Yong PARK, Jongsun Lim | 2008-02-19 |
| 7329553 | Method of fabricating one-way transparent optical system | Yong-seop Yoon, Seok-whan Chung | 2008-02-12 |
| 6998634 | Memory device utilizing vertical nanotubes | Won-bong Choi | 2006-02-14 |