Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10832598 | Light emitting sign apparatus using optical fiber including solar-responsive light sensors | Ki Hoon Lee | 2020-11-10 |
| 10526757 | Light emitting sign apparatus using optical fiber | Ki Hoon Lee | 2020-01-07 |