Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12218290 | LED lighting apparatus having improved color rendering and LED filament | Jong Kook Lee, Seong Jin Lee | 2025-02-04 |
| 11527682 | LED lighting apparatus having improved color lendering and LED filament | Jong Kook Lee, Seong Jin Lee | 2022-12-13 |