Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE39701 | Clutch device for magnetic recording/reproducing apparatus | Sung-pyo HONG, Ji-Young Lee | 2007-06-26 |
| 7086516 | Clutch device for magnetic recording/reproducing apparatus | Sung-pyo HONG, Ji-Young Lee | 2006-08-08 |
| 6705557 | Idler device for magnetic recording/reproducing apparatus | Sung-pyo HONG, Ji-Young Lee | 2004-03-16 |
| 6702080 | Clutch device for magnetic recording/reproducing apparatus | Sung-pyo HONG, Ji-Young Lee | 2004-03-09 |
| 6128157 | Structure for pressing a cassette in a magnetic record and playback machine | Sung Hun Choi, Myung C. Baek, Sung-pyo HONG, Jong-Dae Park, Soo-Beom Lee +2 more | 2000-10-03 |
| 5227932 | Tape conveying device for video cassette recorder | Myung C. Baek | 1993-07-13 |