Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11049995 | High-efficiency long-wavelength light-emitting device | Hong Jae Yoo, Hyo Shik Choi | 2021-06-29 |
| 10886062 | Method for preparing rare-earth permanent magnet | — | 2021-01-05 |