Hamamatsu Photonics is a leading manufacturer of opto semiconductor products.

For more than 40 years, Hamamatsu Photonics has been supplying market leading, high-quality optical components which contribute to the diverse advanced technologies that assist in safe, reliable, green and comfortable automobiles.

From design to manufacturing, we deliver standard and customized solutions with high-volume manufacturing capabilities. Many vehicles use our ambient light sensors for automatic lighting and air conditioning, as well as our optical semiconductor devices for optical links used for in-vehicle information communication.