Issued Patents 2022
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11530783 | Bulb-type light source | Jae Hyun Park, Seong Jin Lee | 2022-12-20 |
| 11525171 | Rose-gold-colored copper alloy and vehicle interior material using the same | Hoo Dam Lee, Chang Yeol Yoo, Sung Ho Yoon, Ye-Lim Kim, Yeon Beom Jeong +1 more | 2022-12-13 |
| 11527517 | Lighting-emitting device filament | Jae Hyun Park, Seong Jin Lee | 2022-12-13 |
| 11527682 | LED lighting apparatus having improved color lendering and LED filament | Jun Myung SONG, Seong Jin Lee | 2022-12-13 |
| 11348907 | Lighting-emitting device filament | Jae Hyun Park, Seong Jin Lee | 2022-05-31 |
| 11296142 | LED package set and LED bulb including same | Seong Jin Lee | 2022-04-05 |