HAMAMATSU PHOTONICS revenue for the last year amounted to 221.44 B JPY, the most of which — 97.19 B JPY — came from its highest performing source at the moment, Optical Semiconductor, the year earlier bringing 95.55 B JPY. The greatest contribution to the revenue figure was made by United States — last year it brought HAMAMATSU PHOTONICS 58.91 B JPY, and the year before that — 54.53 B JPY.