Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10662107 | Borosilicate glass, light guide plate comprising the same and fabricating methods thereof | Du-Sun Hwang, Hyun-Jin Shim, Chang Hee Lee, Byung-Kook Choi | 2020-05-26 |
| 10488586 | Glass light-guide plate and manufacturing method thereof | Hyun-Jin Shim, Chang Hee Lee, Byung-Kook Choi, Du-Sun Hwang | 2019-11-26 |
| 10207950 | Glass light guiding plate | Chang Hee Lee, Hyun-Jin Shim, Byung-Kook Choi | 2019-02-19 |