Issued Patents 2018
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10165637 | LED lighting device using AC power supply | Soo Geun Yoo, Hong Geol Choi, Ho Young Lee | 2018-12-25 |
| 10051697 | Free voltage LED driving device with high luminous uniformity ratio | Da-Young Gong | 2018-08-14 |
| 10015853 | LED lighting device using AC power supply | Soo Geun Yoo, Hong Geol Choi, Ho Young Lee | 2018-07-03 |
| 9997675 | Light-emitting-device package and production method therefor | Tae Kyoung Yoo, Yong Wook Cho, Min Pyo Kim, Sung Hwan Yoo, Kyoung Min Kim | 2018-06-12 |
| 9918363 | LED lighting device | Kyung Ho Yoo, Kil Ho CHOO, Jong-Il Kim, Young June Lee, Seung Jong Han +1 more | 2018-03-13 |