Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9991081 | Electron emitting device using graphene and method for manufacturing same | Shanghyeun PARK, Donggu Lee, Jaekyung Sung, Changsoo LEE, Dongsu Kang +1 more | 2018-06-05 |
| 9948609 | Cloud-based mail system and mail service method for providing improved security | Seonghwan Jeong | 2018-04-17 |
| 9859317 | Optical apparatus including optical functional layer having high refractive index and method of manufacturing the optical apparatus | Doyoon Kim | 2018-01-02 |