Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7337535 | Hole plugging method for printed circuit boards, and hole plugging device | Sung-Gue Lee, Sung Sik Cho, Yong-Il Kim, Yong Soon Jang, Ho Sung Choi +1 more | 2008-03-04 |
| 7229519 | Burning equipment for green sheet of plasma display panel and method of burning the same | Jin Ho Choi | 2007-06-12 |
| 6954985 | Method for plugging holes in a printed circuit board | Sung-Gue Lee, Sung Sik Cho, Yong-Il Kim, Yong Soon Jang, Ho Sung Choi +1 more | 2005-10-18 |