Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6759845 | Weak-magnetic field sensor using printed circuit board manufacturing technique and method of manufacturing the same | Kyoung-won Na, Sang-on Choi, Won-youl Choi, Jeong-Hwan Lee, Keon-Yang Park | 2004-07-06 |
| 6755229 | Method for preparing high performance ball grid array board and jig applicable to said method | Keon-Yang Park, Jang-Kyu Kang | 2004-06-29 |
| 6753682 | Weak-magnetic field sensor using printed circuit board manufacturing technique and method of manufacturing the same | Kyoung-won Na, Sang-on Choi, Won-youl Choi, Jeong-Hwan Lee, Keon-Yang Park | 2004-06-22 |
| 6747450 | Weak-magnetic field sensor using printed circuit board manufacturing technique and method of manufacturing the same | Kyoung-won Na, Sang-on Choi, Won-youl Choi, Jeong-Hwan Lee, Keon-Yang Park | 2004-06-08 |