Issued Patents All Time
Showing 126–138 of 138 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8626187 | Monitoring geofence exit | Yefim Grosman, Lukas M. Marti, Morgan Grainger, Ronald K. Huang | 2014-01-07 |
| 8615253 | State estimation using motion context and multiple input observation types | Glenn Donald MacGougan, Lukas M. Marti | 2013-12-24 |
| 8504061 | Multi-tier geofence detection | Morgan Grainger, Ronald K. Huang | 2013-08-06 |
| 8494554 | Mobile device location estimation | Lukas M. Marti, Ronald K. Huang, Glenn Donald MacGougan, Jason Dere, Yefim Grosman | 2013-07-23 |
| 8494799 | Dynamic compass calibration in a portable device | Patrick S. Piemonte, Madhu Shrivastav, Puneet Mishra, Ronald K. Huang, Parin Patel | 2013-07-23 |
| 8437970 | Restoring and storing magnetometer calibration data | Ronald K. Huang, Patrick S. Piemonte | 2013-05-07 |
| 8396485 | Beacon-based geofencing | Morgan Grainger, Ronald K. Huang | 2013-03-12 |
| 8391889 | Altitude estimation using a probability density function | Lukas M. Marti, Glenn Donald MacGougan, Ronald K. Huang, Jason Dere, Yefim Grosman | 2013-03-05 |
| 8370097 | Calibration techniques for an electronic compass in portable device | Parin Patel, Ronald K. Huang, Patrick S. Piemonte | 2013-02-05 |
| 8239153 | Dynamic compass calibration in a portable device | Patrick S. Piemonte, Madhu Shrivastav, Puneet Mishra, Ronald K. Huang, Parin Patel | 2012-08-07 |
| 8061049 | Magnetometer accuracy and use | Patrick S. Piemonte, Ronald K. Huang, Parin Patel | 2011-11-22 |
| 7921572 | Accuracy indications for an electronic compass in a portable device | Patrick S. Piemonte, Ronald K. Huang, Parin Patel | 2011-04-12 |
| 7891103 | Magnetometer accuracy and use | Patrick S. Piemonte, Ronald K. Huang, Parin Patel | 2011-02-22 |