By 1580, his area under control expanded to Miwa and Owari Provinces since Nobumori SAKUMA who had controlled the southern territory of Owari Province was sent into exile.
天正8年（1580年）には、尾張国南部を統括していた佐久間信盛が追放されたため、美濃・尾張にまで支配領域が広がる。