Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10714231 | Graphene wire, cable employing the same, and method of manufacturing the same | Dong-kwan Won | 2020-07-14 |
| 9373429 | Method of obtaining graphene | Na Young Kim | 2016-06-21 |
| 8227173 | Method of manufacturing multi-layer circuit board | — | 2012-07-24 |
| 8122599 | Method of manufacturing a printed circuit board (PCB) | — | 2012-02-28 |
| 7811626 | Printed circuit board and method of manufacturing the same | Chang Soo Jang, Dong-kwan Won, Hyoung-ho Roh | 2010-10-12 |
| 7804693 | Printed circuit board having structure for relieving stress concentration, and semiconductor chip package equipped with the same | Chang Soo Jang, Seong-young Han | 2010-09-28 |
| 7470461 | Printed circuit board and method of manufacturing the same | Chang Soo Jang, Dong-kwan Won, Hyoung-ho Roh | 2008-12-30 |
| 7199462 | Substrate for producing semiconductor packages | Chang Soo Jang, Dong-kwan Won | 2007-04-03 |
| 6074728 | Multi-layered circuit substrate | — | 2000-06-13 |
| 5877941 | IC card and method of fabricating the same | — | 1999-03-02 |
| 5747222 | Multi-layered circuit substrate and manufacturing method thereof | — | 1998-05-05 |