After the Kamakura period, the post became merely nominal, but as the increasing number of samurai warriors became appointed the government posts, a lot of samurai warriors were appointed Saemon no jo or granted to use it as unofficial title from the Kamakura period through the Edo period, because the posts of military officer including Saemon no jo were widely popular among the samurai warriors.
鎌倉時代以降、官職としては有名無実化したが、武士の任官が広くなされるようになるにつれ、左衛門尉などの武官の職は武士から広く好まれるようになり、鎌倉～江戸期を通じて多くの武将たちが任ぜられるか、受領名として使用されるようになっていった。