Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6998487 | Double-spiro organic compounds and organic electroluminescent devices using the same | Kong-Kyeom Kim, Sehwan Son, Jae-Soon Bae, Youn-Gu Lee, Sung Gap Im +2 more | 2006-02-14 |
| 6984462 | Organic electroluminescent devices using double-spiro organic compounds | Kong-Kyeom Kim, Sehwan Son, Jae-Soon Bae, Youn-Gu Lee, Sung Gap Im +2 more | 2006-01-10 |
| 6953947 | Organic thin film transistor | Se-Hwan Son, Hyeon Choi, Changhee Lee | 2005-10-11 |