Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7332852 | One-way transparent optical system having light absorption elements and light refracting structures | Young-gu Jin, Byoung-Ho Cheong, Joon Yong PARK, Jongsun Lim | 2008-02-19 |