Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6873704 | Apparatus for removing echo from speech signals with variable rate | — | 2005-03-29 |
| 6574517 | Method of processing multi-function key inputting device | Chan kyung Park | 2003-06-03 |