Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6104569 | Tape guide angle controlling apparatus for magnetic tape recorder-player | Jiyoung Lee | 2000-08-15 |
| 5901011 | Tape guide angle controlling apparatus for magnetic tape recorder-player | Jiyoung Lee | 1999-05-04 |