Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9571640 | Systems and methods for detecting calls from illegitimate calling parties | Joseph Chen | 2017-02-14 |
| 9077747 | Systems and methods for responding to security breaches | Joseph Chen | 2015-07-07 |
| 8176556 | Methods and systems for tracing web-based attacks | Jamie Jooyoung Park, Joseph Chen | 2012-05-08 |