Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10032986 | Polycyclic compound and organic light emitting device including the same | Jin Joo Kim, Sung Kil Hong | 2018-07-24 |
| 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 |