Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9788421 | Printed circuit board and method of manufacturing same | Yang Yoon Choi | 2017-10-10 |
| 9769921 | Printed circuit board and manufacturing method therefor | Yang Yoon Choi | 2017-09-19 |