Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE48349 | Organic light emitting diode display device and method of fabricating the same | Ki Soub Yang, Dae-Jung Choi, Seung-Ryul Choi, Han-Hee Kim, Kyoung-Jin Park | 2020-12-08 |
| 10847592 | Electroluminescent display device | Geum-Young Lee | 2020-11-24 |
| 10658440 | Organic light emitting diode display device and method of fabricating the same | Dae-Jung Choi, Jae-Ki Lee, Ki Soub Yang, Hwang-Un Seo, Hong-Myeong Jeon +4 more | 2020-05-19 |
| 10563775 | Vacuum valve | Bae-Jin Kim, Sang Min Kim, Ki Sun Choi | 2020-02-18 |