Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9972785 | Spiro-type compound and organic light emitting element comprising same | Jin Joo Kim, Sang Duk SUH, Jungbum Kim | 2018-05-15 |
| 9960357 | Spiro-type compound and organic light emitting element comprising same | Jin Joo Kim, Sang Duk SUH, Jungbum Kim | 2018-05-01 |
| 9728728 | Compound and organic light-emitting device using same | Sung Kil Hong, Yun Hwan Kim, Jungoh Huh, Seongmi Cho, Seong So Kim | 2017-08-08 |
| 9373793 | Compound and organic light-emitting device using same | Sung Kil Hong, Yun Hwan Kim, Jungoh Huh, Seongmi Cho, Seong So Kim | 2016-06-21 |