Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12235377 | Asynchronous time difference of arrival ranging method for passive-listening devices | Haige Chen | 2025-02-25 |
| 11169518 | Tracking indoor objects with inertial sensor measurements | Ayon Chakraborty, Karthikeyan Sundaresan, Sampath Rangarajan | 2021-11-09 |
| 11089432 | Tracking indoor objects from an unmanned aerial vehicle | Karthikeyan Sundaresan, Ayon Chakraborty, Sampath Rangarajan | 2021-08-10 |