Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10646083 | Vacuum cleaner with angled wheels | Kyoung-woung Kim, Do Kyung LEE | 2020-05-12 |
| 10644244 | Heterocyclic compound and organic light emitting device using same | Jung-hyun Lee, Young-Seok NO, Geon-Yu PARK, Kee Yong Kim, Jin-Seok Choi +3 more | 2020-05-05 |
| 10633515 | Artificial marble chip, method of preparing the same and artificial marble including the same | Jong-Chul Park, Chang Ho Son, Doo Kyo Jeong | 2020-04-28 |
| 10567326 | Interworking of social media service and machine to machine service | Jun-Won Kim | 2020-02-18 |