Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10475960 | Light emitting device having gallium nitrade substrate | Sung Dal Jung, Hyun Don Song, Ki Man Kang, Seung Hwan Kim | 2019-11-12 |
| 10408051 | Device for measuring suspension in drilling fluid and thickness of slime at the bottom of pile borehole | Seung Yong Shin, Gyu Seong Woo | 2019-09-10 |