Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7512098 | Method and system for wireless voice channel/data channel integration | Hisso M. Chang | 2009-03-31 |
| 7092370 | Method and system for wireless voice channel/data channel integration | Hisao Chang | 2006-08-15 |
| 7072651 | Method and system for cellular network traffic redirection | Avnish Chauhan, Subhabrata Biswas, Bahadur Bhambhani, Alex Rodrigues | 2006-07-04 |