Time-of-flight (ToF) sensors are not a specific brand but a technology category used by various companies across industries. ToF sensors measure the time it takes for light or sound to reflect back from an object to determine distance. Leading manufacturers include STMicroelectronics (Switzerland), Infineon Technologies (Germany), and Texas Instruments (USA). These sensors serve industries like automotive (for collision avoidance), consumer electronics (mobile phone facial recognition), industrial automation (object detection), and robotics. Key products include 3D depth-sensing modules, LiDAR systems, and proximity sensors, often integrated into devices by Apple, Samsung, and automotive suppliers.