In 1186, he was in charge of hunting vassals of MINAMOTO no Yoshitsune, who had been in conflict with Yoritomo, and in 1189, he took part in the Battle of Oshu.
文治2年（1186年）頼朝と対立した源義経の郎党を探索、文治5年（1189年）奥州合戦に従軍。