Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7769387 | Method and system for vocoder bypass using differentiated telephone numbers | Dae-Sik Oh, Leo Anderson | 2010-08-03 |
| 7260399 | Method and system for asymmetric handoff of wireless communication sessions | Dae-Sik Oh, Leo Anderson | 2007-08-21 |
| 7251480 | Method and system of sending a voice message in a wireless communication network | Dae-Sik Oh, Leo Anderson | 2007-07-31 |
| 6879833 | Method and system for vocoder bypass using differentiated telephone numbers | Dae-Sik Oh, Leo Anderson | 2005-04-12 |
| 6865391 | Method and system for vocoder bypass using electronic serial numbers | Dae-Sik Oh, Leo Anderson, Shiva Narayanabhatla | 2005-03-08 |