Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6785536 | Home zone service method for mobile telephone subscribers in mobile radio communication system | Young-soo Park | 2004-08-31 |
| 6718820 | Apparatus for indentation test and method for measuring mechanical properties using it | Dong-il Kwon, Yeol Choi | 2004-04-13 |
| 6721755 | Device and method for automatically building database for home zone service | — | 2004-04-13 |