Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10150870 | High-grade mastic asphalt composition and paving construction method using the same | — | 2018-12-11 |
| 10107681 | Tube-type lens, optical emission spectroscopy (OES) apparatus including the tube-type lens, plasma monitoring system including the OES apparatus, and method of manufacturing semiconductor device by using the plasma monitoring system | Ilgu Yun | 2018-10-23 |