Serving Yoshimasa SHIBA, Owari no kuni Shugo (provincial military governor of Owari Province), Josho was appointed as Owari no kuni Shugodai by Yoshimasa to take the place of Masanori KAI in 1400.
尾張国守護・斯波義将に仕え、1400年（應永7年）、甲斐将教に代わり斯波義将より、尾張国守護代へ任じられた。