During the Edo period, the Funabashi and Fusehara families, as descendants of the Nakahara clan, inherited the position of hakase (professor); the inherited position was in name only, however, since it had become the golden days of the newly emerged Sogaku (Song-period neo-Confucianism).
江戸時代には清原氏の子孫である舟橋家・伏原家が博士の職を世襲したが、儒教の中でも新興の宋学全盛の時代にあっては名目のみの官となっていった。