Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9279689 | Method for constructing and revising road maps in a database for a vehicle | — | 2016-03-08 |
| 9208797 | Tone detection for signals sent through a vocoder | Sethu K. Madhavan, Jijun Yin, Qin Jiang | 2015-12-08 |
| 7885764 | Method for adaptively constructing and revising road maps | — | 2011-02-08 |
| 7460948 | Traffic notification system for reporting traffic anomalies based on historical probe vehicle data | Son Dao, Xiaowen Dai, Richard A. Johnson | 2008-12-02 |
| 7233861 | Prediction of vehicle operator destinations | Richard A. Johnson, Son Dao, Andrea M. Simon | 2007-06-19 |