Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5657939 | Idler gear transfer control apparatus for reel drive apparatus of a video cassette tape recorder | Haksun Hwang, Sang Jig Lee, Pohyoung Koh, Hyeoksoo Park, Sungwoo Choi | 1997-08-19 |
| 5647548 | Tension arm driving apparatus for video cassette tape recorder | Haksun Hwang, Sang Jig Lee, Pohyoung Koh, Hyeoksoo Park, Sungwoo Choi | 1997-07-15 |