Clove boiler, 17th century - Public domain photo of museum object

The history of Kiyomizu ware dates back to the Momoyama period. The earlier production phase is known as Ko-Kiyomizu (old Kiyomizu). One of the foremost producers of Kiyomizu ware is the Unraku kiln (雲楽窯, Unraku-gama), led by the current Unrako Saito III.