Hamamatsu Photonics K.K. is a Japanese manufacturer of optical sensors, electric light sources, and other optical devices and their applied instruments for scientific, technical and medical use. Wikipedia
Headquarters: Shizuoka, Japan
Number of employees: 4,420 (consolidated, as of December 19, 2014)
Founded: September 29, 1953
President: Akira Hiruma
Subsidiaries: Hamamatsu Corporation, Hamamatsu Photonics U K Ltd, Hamamatsu Photonics Norden Ab, and more