A cooking donabe and a small unglazed shidei teapot are two familiar forms of Banko ware from Yokkaichi in Mie Prefecture. Their histories connect early decorative ceramics with later teapot production and modern heat-resistant cooking bodies.
What is Banko ware?
Banko ware is a ceramic tradition centred on Yokkaichi. Donabe and shidei teapots are among its best-known products. Yokkaichi Banko ware received national Traditional Craft designation in 1979.
Unlike the place names on our pottery regions map, Banko comes from a mark: banko fueki (萬古不易), expressing permanence. The Banko no Sato Center recounts the name’s origins and the industry that later developed around it.
A tea merchant's seal
Nunami Rōzan (1718–1777), a merchant in Kuwana interested in tea, began his kiln between 1736 and 1740, according to the regional history. He used banko or banko fueki marks expressing a wish for permanence. The history is also introduced by the KOGEI JAPAN craft guide.
Early work, known as Ko-Banko, includes colourful enamel decoration and motifs influenced by foreign designs. The regional account describes Rōzan’s work in Edo and shogunal patronage alongside his original kiln.
After Rōzan’s death in 1777, production ceased before a later revival under the Banko name.
Revival, wooden molds, and the move to Yokkaichi
Mori Yūsetsu and Senshū revived production and developed Kata-Banko teapots. Clay was formed over collapsible wooden moulds that could be removed through the mouth. The method allowed thin walls and details such as rotating lid knobs and internal patterns. Their work also included pink shōenji glaze using gold.
Yamanaka Chūzaemon helped expand production in Suenaga, now part of Yokkaichi, by developing methods and training local people. Port and railway connections later supported distribution and exports. As local white clay supplies diminished during the Meiji period, makers developed iron-rich bodies associated with the purple-brown shidei teapot.
Heat-resistant bodies for donabe
The regional association dates an important heat-resistant body development to 1959. Some donabe bodies contain petalite to improve thermal performance. Formulations differ, so use the maker’s specification for a particular pot rather than a fixed percentage for all Banko ware.
A donabe stores heat for cooking and serving, but remains vulnerable to thermal shock and misuse. Body colour and firing vary. See stoneware versus porcelain for material terminology, and check hob compatibility separately: ordinary clay pots are not automatically suitable for induction.
Shidei: the purple-clay kyūsu
Shidei teapots are unglazed, with purple-brown tones associated with iron-rich clay and firing conditions. The cooperative discusses research on interaction between the clay and tea compounds. Treat that as material research rather than a promise that every pot will make every tea less bitter.
Mie also has a tea-growing tradition, including kabuse-cha. For an unglazed teapot, follow the maker’s cleaning instructions and rinse promptly after use. The kyūsu care guide explains everyday cleaning and how to handle stains without imposing one rule on every finish.
Banko within Japan’s ceramic traditions
Banko is younger than medieval traditions such as Shigaraki. Its range includes ornamental work and tea utensils as well as heat-resistant cookware.
Choosing a Banko donabe — the ZenKiln catalogue
Use the specific model’s diameter and capacity, rather than its gō (号) number alone. Consider the meals you cook, the number of diners and the hob it must work with:
- Ginpo's Hana-Mishima donabe — compare the available size options and the manufacturer’s care guidance for this floral pattern.
- The same pattern in an induction-compatible 7-gō model — Banko clay adapted for IH cooktops.
- The hand-painted 9-gō donabe from Studio Yuzuriha combines a decorated lid with a cooking-pot body. Yuzuriha is associated with Seto, Aichi, not a Yokkaichi studio; the components’ production details should be read separately on the listing.
- The rose donabe pairing a Banko body with a Seto-painted lid is another example where body and lid decoration should be distinguished.
- For the table around it: Hana-Mishima tonsui side bowls and the matching renge ladle and rest set.
Browse the Japanese Donabe & Clay Pots collection. Before first use, check whether the maker requires seasoning; the donabe care guide explains the options and daily care.
What the underside can—and cannot—show
The underside photograph of our gas Hana Mishima pot shows a broad, unglazed brown surface with an impressed mark. It is a useful record of the object’s base. Neither its colour nor the mark is a heat-resistance test. For cooking, match the model to the maker’s instructions; for the IH version, also check the supplied heating plate described in our hot-pot table guide.
FAQ
Why can a Banko donabe sit over an open flame?
The body must be designed and rated for direct flame. That rating does not prevent every crack: follow instructions on empty heating, temperature changes, drying and any required seasoning. Hob compatibility is specific to the model.
Sources: Banko no Sato Center’s regional history and the product-specific maker information linked above. Distinguish the brand, cooking-body manufacturer and lid decorator when reading a listing.
