Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7486024 | Display apparatus filter and plasma display apparatus using the same | Youngjoo Yee, Hyouk Kwon, Sang-Cheon Kim | 2009-02-03 |
| 7356235 | Light guide plate for surface light-emitting device and method of manufacturing the same | Min Soo Noh, Hyun Ho Oh, Chan Ho Park | 2008-04-08 |