In the latter half of the 12th century, Mizunuma kilns were built in Ishimaki City, Miyagi Prefecture, and a Ryokufudai kiln was built in Nishiwaki City, Hyogo Prefecture.
12世紀後半には宮城県石巻市に水沼窯、兵庫県西脇市に緑風台窯が築かれた。