Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10237056 | Multi-pulse communication using spreading sequences | Andries Hekstra, Frank Leong, Arie Geert Cornelis Koppelaar | 2019-03-19 |
| 10223554 | Localization method, computer program product and localization device | Ewout Brandsma, Maarten Christiaan Pennings, Timo van Roermund | 2019-03-05 |
| 9916708 | Signal processing system and method | Arie Geert Cornelis Koppelaar, Frank Leong | 2018-03-13 |
| 9891311 | Method of secure RF ranging under strong multipath reflections | Frank Leong, Arie Geert Cornelis Koppelaar, Andries Hekstra | 2018-02-13 |
| 9775034 | Communications with distance authentication | Andries Hekstra, Arie Geert Cornelis Koppelaar, Frank Leong | 2017-09-26 |
| 9667310 | Efficient rake receiver finger selection | Arie Geert Cornelis Koppelaar, Andries Pieter Hekstra, Frank Leong, Marinus van Splunter | 2017-05-30 |
| 9485609 | Pulse frequency control for wireless communications and ranging | Andries Hekstra, Arie Geert Cornelis Koppelaar, Frank Leong | 2016-11-01 |
| 9374215 | Communication synchronization | Frank Leong, Andries Hekstra, Arie Geert Cornelis Koppelaar | 2016-06-21 |
| 9300353 | Start of frame delimiter in a communication packet | Andries Hekstra, Frank Leong, Arie Geert Cornelis Koppelaar | 2016-03-29 |
| 9160519 | Communications with synchronization | Frank Leong, Andries Hekstra, Arie Geert Cornelis Koppelaar | 2015-10-13 |
| 9143150 | Data communications with analog-to-digital conversion | Frank Leong, Andries Hekstra, Arie Geert Cornelis Koppelaar | 2015-09-22 |
| 8976005 | Movement history assurance for secure passive keyless entry and start systems | Zoran Zivkovic, Jan Rene Brands, Frank Leong | 2015-03-10 |
| 8559483 | Signal quality monitor | — | 2013-10-15 |
| 8180298 | Method and apparatus to minimize interference among co-located multiple wireless devices | — | 2012-05-15 |