They are designated to the 'doburo yakimono shi' (brazier maker and potter), which is one of the Senke jusshoku (which means "Senke's ten designated craftsmen families," representing the ten highly skilled craftspeople who are the recipients of traditionally transmitted skills within specific families designated to serve the major tea schools [Senke] in Kyoto), and they have produced doburo (a ceramic portable stove for boiling water to make tea) and tea bowls for generations.
千家十職の一つ「土風炉・焼物師」であり、代々土風炉（どぶろ）、茶碗などを製作してきた。