Having held prominent positions such as Taiwan sotoku (governor-general of Taiwan), Tokyo Eiju sotoku (governor-general of Tokyo garrison) and Konoe shidancho (division commander of the Imperial Guards), Samata was raised to Army General, Shonii (Senior Second Rank), Grand Cordon of the Order, and Count.
台湾総督・東京衛戍総督・近衛師団長等を歴任し、階級は陸軍大将正二位勲一等伯爵に昇る。