As described above, since there are few original materials about Toshimasu left, it seems that the stories about his actions in the Battle of Hasedo have been exaggerated to create an impression that he was well built and excelled in spearmanship.
上述した通り利益に関する一次史料はほとんど存在しない事もあって、恵まれた体格と優れた槍術があったと、長谷堂の戦いで伝えられている活躍の話が誇張されている節はある。