Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7864686 | Tunneling scheme for transporting information over a cable network | John T. Chapman | 2011-01-04 |
| 7835274 | Wideband provisioning | John T. Chapman, Alon Bernstein, Jin Zhang, Shengyou Zeng | 2010-11-16 |
| 7693180 | Mechanisms for translating between two different voice-over-IP protocols | Hemant Singh | 2010-04-06 |
| 7103067 | Mechanism for translating between two different voice-over-IP protocols | Hemant Singh | 2006-09-05 |