Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10672948 | Methods for producing light extraction structures for semiconductor devices | Joo Won Choi | 2020-06-02 |
| 10665752 | Air void structures for semiconductor fabrication | Joo Won Choi, Jie Song | 2020-05-26 |