Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10946589 | Optical film attachment system | Beom Seok Lee, Ju Young Jeoung, Hang Suk Choi, Eung Jin Jang | 2021-03-16 |
| 10931770 | System for notifying of arrival at subway station and providing station information by using integrated smartphone positioning | — | 2021-02-23 |