He moved to Shinano Province and then to Kai Province, where it is said that he served as personal doctor to Nobutora TAKEDA and his son Shingen TAKEDA, who were the provincial lords and daimyo in the Sengoku period.
信濃国・甲斐国に移り住み、国主であった戦国大名武田信虎・武田信玄父子二代の侍医となったと言われる。