Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6405431 | Method for manufacturing build-up multi-layer printed circuit board by using yag laser | Dong Kwang Shin, Keon-Yang Park, Young-Hwan Shin, Byung-Kook Sun | 2002-06-18 |
| 6119335 | Method for manufacturing multi-layer printed circuit board | Keon-Yang Park, Byung-Kook Sun, Dong Kwang Shin | 2000-09-19 |