Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9898108 | Image erasing device for electronic chalkboard system, control method thereof, display apparatus, control method thereof, and electronic chalkboard system | Ho-june YOO, Jong-bo MOON, Byung-seok Soh, Sang-on Choi, Hyun-mook CHOI | 2018-02-20 |
| 9878688 | Pretensioner | Kyung Sang Lee, Yo Sun Hong | 2018-01-30 |