Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7215505 | Pole base assembly for magnetic recording/reproducing apparatus | Jae-Hoon Sim, Hyeong-Seok Choi | 2007-05-08 |
| 7191971 | Reel clutch of a tape recorder | Bong-joo Kim, Hyeong-Seok Choi, Jae-kab Seo, Jun Young Kim | 2007-03-20 |
| 7048219 | Reel clutch of a tape recorder | Bong-joo Kim, Hyeong-Seok Choi, Jae-kab Seo, Jun Young Kim | 2006-05-23 |