Established in 1953, Japan's Hamamatsu Photonics Corporation (hereinafter referred to as Hamamatsu Group) is the world's most technologically advanced and market dominant company in the field of optical science and industry. Professor Masatoshi Koizumi of the University of Tokyo won the Nobel Prize in Physics in 2002 for his neutrino experiment using 11200 20 inch photomultiplier tubes from the Hamamatsu Group. Hamamatsu Group's products are widely used in industries such as medical biology, high-energy physics, space exploration, and precision analysis, making it a leading enterprise in the optical industry.