Issued Patents All Time
Showing 25 most recent of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12405110 | Systems and methods for pressure-based estimation of a mobile device altitude or calibration of a pressure sensor | Badrinath Nagarajan, Guiyuan Han | 2025-09-02 |
| 12345546 | Device based barometric pressure sensor calibration | Arun Raghupathy, Badrinath Nagarajan, Frank Yenshaw, Deepak Joseph | 2025-07-01 |
| 12298196 | Systems and methods for determining when to calibrate a pressure sensor of a mobile device | Guiyuan Han, Badrinath Nagarajan | 2025-05-13 |
| 12270967 | Field calibration of reference weather stations | Guiyuan Han, Badrinath Nagarajan, Wei Liu, Prashant Dave, Arun Raghupathy | 2025-04-08 |
| 12228402 | Systems and methods for calibrating unstable sensors | Ganesh Pattabiraman, Abijith Kumar, Thomas Wolf, Gary Parsons, Christian Gates +2 more | 2025-02-18 |
| 12212706 | Systems and methods for determining a height of a mobile device above a surface | William P. Alberth, Jr. | 2025-01-28 |
| 12209924 | Constraining barometric pressure sensor calibration with sporadic data collection | Guiyuan Han, Badrinath Nagarajan, Arun Raghupathy | 2025-01-28 |
| 12130968 | Systems and methods for determining contexts of mobile devices | Arun Raghupathy, Badrinath Nagarajan, Guiyuan Han | 2024-10-29 |
| 12130155 | Systems and methods for determining calibration values for atmospheric sensors that provide measured pressures used for estimating altitudes of mobile devices | Guiyuan Han, Badrinath Nagarajan | 2024-10-29 |
| 12101689 | Characterizing height above terrain confidence | Badrinath Nagarajan, Guiyuan Han, Arun Raghupathy | 2024-09-24 |
| 12061096 | Barometric pressure sensor calibration based on activity context | Badrinath Nagarajan, Arun Raghupathy, Guiyuan Han | 2024-08-13 |
| 12038280 | Calibrating a pressure sensor | Deepak Joseph, Badrinath Nagarajan, Guiyuan Han, Arun Raghupathy | 2024-07-16 |
| 12025471 | Systems and methods for estimating a difference in height between two floors in a building for use in estimating a height or an altitude of one of the two floors | Guiyuan Han, Badrinath Nagarajan | 2024-07-02 |
| 11991605 | Methods for using a pressure sensor of a mobile device to improve the accuracy of determined contexts | Arun Raghupathy, Badrinath Nagarajan, Guiyuan Han | 2024-05-21 |
| 11985569 | Identifying problematic 2D positions from mobile devices | Guiyuan Han, Badrinath Nagarajan, Arun Raghupathy | 2024-05-14 |
| 11913809 | Systems and methods for extending the spatial coverage of a reference pressure network | Badrinath Nagarajan, Guiyuan Han | 2024-02-27 |
| 11892295 | Systems and methods for calibrating unstable sensors | Ganesh Pattabiraman, Abijith Kumar, Thomas Wolf, Gary Parsons, Christian Gates +2 more | 2024-02-06 |
| 11852780 | Systems and methods for calibrating weather stations using maximum allowed altitude errors | — | 2023-12-26 |
| 11841285 | Constraining barometric pressure sensor calibration with sporadic data collection | Guiyuan Han, Badrinath Nagarajan, Arun Raghupathy | 2023-12-12 |
| 11808608 | Systems and methods for extending the spatial coverage of a reference pressure network | Badrinath Nagarajan, Guiyuan Han | 2023-11-07 |
| 11761765 | Calibrating a pressure sensor | Deepak Joseph, Badrinath Nagarajan, Guiyuan Han, Arun Raghupathy | 2023-09-19 |
| 11740081 | Systems and methods for determining which reference-level pressures are used when estimating an altitude of a mobile device | Badrinath Nagarajan, Guiyuan Han | 2023-08-29 |
| 11733119 | Systems and methods for determining when to calibrate a pressure sensor of a mobile device | Guiyuan Han, Badrinath Nagarajan | 2023-08-22 |
| 11733038 | Floor height estimation and calibration of a mobile device | Badrinath Nagarajan, Arun Raghupathy, Guiyuan Han | 2023-08-22 |
| 11722593 | Systems and methods for determining a height of a mobile device above a surface | William P. Alberth, Jr. | 2023-08-08 |