Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8217401 | Light emitting device using nano size needle | Sung Hoon Lee, Hyo-sug Lee, Young-gu Jin | 2012-07-10 |
| 7700953 | Light-emitting device using nano size needle | Sung Hoon Lee, Hyo-sug Lee, Young-gu Jin | 2010-04-20 |
| 7501650 | P-type semiconductor carbon nanotube using halogen element and fullerene or alkali element | Sung Hoon Lee | 2009-03-10 |
| 7332740 | Memory device having molecular adsorption layer | Kwang Hee KIM, Dong-Hun Kang, Jae-woong Hyun, Ki-ha Hong | 2008-02-19 |