Further, during the Tenpo era Kumezaemon KOBAYASHI, a peddler from Shinano Province, promoted the manufacture of kanten as a second job among farmers in the Suwa area, and established it as kaku-kanten (agar in the shape of a rectangular bar).
さらに、天保年間に信濃国の行商人・小林粂左衛門が諏訪地域の農家の副業として寒天作りを広め、角寒天として定着した。