Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11306000 | Graphene-based compound, preparation method thereof, and single-phase composition for preparing graphene-based compound and graphene quantum dot | Seok Hwan Lee, Sang-Hyuk Im | 2022-04-19 |
| 9299937 | Active layer, organic photovoltaic cell comprising the same and manufacturing method thereof | Hangken Lee, Ji Hye JEON, Jaechol Lee, Dong Wang, Jong Hyeok Park | 2016-03-29 |
| 8840954 | Transparent carbon nanotube electrode with net-like carbon nanotube film and preparation method thereof | Dong Kee Yi, Seon-mi Yoon, Jae Young Choi, Mun-Ho Kim, Hong Kyoon Choi | 2014-09-23 |
| 8021747 | Transparent carbon nanotube electrode with net-like carbon nanotube film and preparation method thereof | Dong Kee Yi, Seon-mi Yoon, Jae Young Choi, Mun-Ho Kim, Hong Kyoon Choi | 2011-09-20 |
| 7242142 | High-efficiency polymer electroluminescent device with a polymer insulating nanolayer | Young Chul Kim, Jai Kyeong Kim, Jae-Woong Yu, Jong Hyeok Park | 2007-07-10 |
| 6995505 | Polymeric electroluminescent device using an emitting layer of nanocomposites | Young Chul Kim, Jai Kyeong Kim, Jae-Woong Yu, Jong Hyeok Park, Yong Taik Lim | 2006-02-07 |
| 6645403 | Multiphase electrorheological fluid | Byung-Doo Chin | 2003-11-11 |
| 6429263 | Method for fabricating a preform for a plastic optical fiber and a preform for a plastic optical fiber fabricated thereby | Jin Hwang, Sang-Hyuk Im, Duck-Jong Suh, Han Cho | 2002-08-06 |