He succeeded to the head of the family after his father Norimitsu's death in 1388, and became Shugo (provincial constable) of both Mikawa no kuni (Mikawa Province) and Wakasa no kuni (Wakasa Province).
嘉慶(日本)2年/元中5年（1388年）、父・範光の死により家督を継ぎ、三河国・若狭国両国の守護となる。