"Are you a NeuroSamurai?" TAKAYAMA was established 1905 in Tokyo, but the TAKAYAMA family has been producing Surgical Hand Instruments since the end of the 16th century. The family were blacksmiths making Samurai Swords, “KATANA”. In our products, we use those ancient techniques with modern technology. ------ Are you a NeuroSamurai? ---- Yes, you are!!