( September 11 , 1719 , Edo , Japan -- August 25 , 1788 , Edo ) was a `` rōjū '' ( senior counselor ) of the Tokugawa shogunate who introduced monetary reform .
'' ' ( September 11 , 1719 , Edo , Japan -- August 25 , 1788 , Edo ) was a senior counselor ( `` rōjū '' ) of the Tokugawa shogunate . He is known for the introduction of monetary reform .