He remained a member of the Supreme War Council and a senior advisor to the emperor on army matters .
Prince Kan'in retired as Chief of the General Staff on October 3 , 1940 and was succeeded by Sugiyama Hajime .
Prince Kan'in remained a member of the Supreme War Council and a senior advisor to the emperor on army matters .
Prince Kan'in retired as Chief of the General Staff on October 3 , 1940 and was succeeded by Sugiyama Hajime .