Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11815691 | Light guide plate made of lead-free glass having a high refractive index and image display device using a light guide plate | — | 2023-11-14 |
| 11543658 | Light guide plate made of lead-free glass having a high refractive index and image display device using a light guide plate | — | 2023-01-03 |