Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6768731 | Internet phone system and control method therefor | — | 2004-07-27 |
| 6618369 | Internet phone protocol | Jung Hyun Kim, Man Su Jeong, Hyeon Cheol Cho | 2003-09-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6768731 | Internet phone system and control method therefor | — | 2004-07-27 |
| 6618369 | Internet phone protocol | Jung Hyun Kim, Man Su Jeong, Hyeon Cheol Cho | 2003-09-09 |