Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8004745 | Electronic paper display device and manufacturing method of the same | Hwan Soo Lee, Yong-soo Oh, Sang Moon Lee, Hye Yeon Cha | 2011-08-23 |
| 7974001 | Display element and electronic paper | Sang Moon Lee, Yongsoo Oh, Hwan Soo Lee, Sung Eun Kim | 2011-07-05 |