He invented a Murata's method for the serodiagnosis of syphilis, and studied leprosy.
After the Sotojima Incident, in which communists were against religious societies, he resigned as the director of the sanatorium.
He worked in the Institute of Infectious Diseases and invented Murata's method for serodiagnosis of syphilis.
[1] When Murata assumed the post of director, the sanatorium was a troubled place riddled with gambling, and the public morals were very low.
In 1934, the sanatorium met the very severe Muroto typhoon, and many patients and workers died.