Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6487054 | Ground device of head drum apparatus | Do Young Choi, Young-Ho Cho, Hyeong-Seok Choi, Choong-Hum Baik, Seung Woo Lee +2 more | 2002-11-26 |
| 6449118 | Magnetic recording/reproducing apparatus | Do Young Choi, Young-Ho Cho, Hyeong-Seok Choi, Chung-hum Baik, Seung Woo Lee +2 more | 2002-09-10 |
| 6369991 | Head drum apparatus | Do Young Choi, Young-Ho Cho, Hyeong-Seok Choi, Chung-hum Baik, Seung Woo Lee +1 more | 2002-04-09 |