Afterward, it participated in the Siege of Odawara led by Kanpaku (Chief adviser to the Emperor) Hideyoshi TOYOTOMI and was given an approval for its territory as Daimyo of 200,000 koku (approximately 36 million liters of crop yield).
その後、関白豊臣秀吉の小田原の役に参陣し20万石の大名として所領を安堵される。