Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5881157 | Apparatus for compensating a frequency characteristic of a reproduction audio signal | Hai-wook Lee | 1999-03-09 |
| 5828762 | Apparatus for compensating audio signal recording | Hai-wook Lee | 1998-10-27 |
| 5828764 | Apparatus for controlling audio recording bias | Hai-wook Lee | 1998-10-27 |