Creamware printers to Josiah Wedgwood by 1763, for example. By 1760 creamware was often enamelled for decoration, using a technique adopted from the early porcelain industry. This consisted of painting overglaze on the ware with pigments made from finely powdered coloured glass and then firing again to fuse the enamel to the ware. The varied enamel colours did not fuse at the same temperature so several firings were generally needed, adding to the expense. There were approximately 130 potteries in North Staffordshire during the 1750s, rising to around 150 by 1763 and employing up to 7,000 people – a large number
Japanese pottery and porcelain studied ceramic techniques in China and brought high-fired glazed ceramic to Seto in 1223. The Seto kiln primarily imitated Chinese ceramics as a substitute for the Chinese product. It developed various glazes: ash brown, iron black, feldspar white, and copper green. The wares were so widely used that "Seto-mono" ("product of Seto") became the generic term for ceramics in Japan. Seto kiln also produced unglazed stoneware. In the late 16th century, many Seto potters fleeing the civil wars moved to Mino province in the Gifu Prefecture, where they produced glazed pottery: Yellow Seto ("Ki-Seto"), Shino, Black Seto ("Seto-Guro"), and Oribe