Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8415655 | Semiconductor light emitting device | Bun-Hei Koo, Do Yeol Ahn, Seoung Hwan Park | 2013-04-09 |
| 8178375 | Method of determining compound ratio of compound semiconductor for light generating device | Do Yeol Ahn, Seoung Hwan Park | 2012-05-15 |