Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9055451 | Indoor position determination method and system based on WLAN signal strength | Ju Du, Sung Gwan Kim, Choul-Ho Choi | 2015-06-09 |
| 6847679 | Apparatus and method for communicating signal in asymmetric digital subscriber line network by using dual link discrete multi-tone | — | 2005-01-25 |