Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12307166 | Acoustic positioning transmitter and receiver system and method | Wilfred Edwin Booij, Knut Welle, Mattheus Franciscus Albertus Ten Veldhuis | 2025-05-20 |
| 12055618 | Location determination system having rotating identifiers for distinguishing transmitters | Wilfred Edwin Booij, Endre Bakka | 2024-08-06 |
| 11875089 | Acoustic positioning transmitter and receiver system and method | Wilfred Edwin Booij, Knut Welle, Mattheus Franciscus Albertus Ten Veldhuis | 2024-01-16 |
| 11722834 | Low level smartphone audio and sensor clock synchronization | Wilfred Edwin Booij, Kjetil Haslum, Endre Bakka | 2023-08-08 |