Banko Kyusu


Handcrafted by the legendary Banko-yaki craftsman Masaki Tachi, the rounded Marubiri kyusu decorated with a meticulous biri pattern is a testament to his mastery. This larger kyusu brews three small cups, while the unglazed iron-rich shidei clay highlights the sweetness of green teas.
Type Side-handle Banko-yaki kyusu
Origin Yokkaichi, Mie prefecture, Japan
Maker Tachi
Volume 320ml
Dimensions Ø9.3 x 7.4cm
Weight 228g
Material Ceramic
Decoration -
Finish Unglazed (yakishime)
Manufacture Handmade on potter's wheel (rokuro)
Strainer Built-in ceramic debeso filter
Artist's mark Seal to base
Packaging Signed wooden box (kiribako)
  Each item is handmade therefore colour and size may vary slightly.

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craftsman Masaki

Certified traditional craftsman Masaki Tachi is considered one of the top banko kyusu artisans of his time, having been awarded a Minister’s Prize at the tender age of 21 and subsequently recognised as an Intangible Cultural Property of the city of Yokkaichi – accolades made ever more noteworthy as a first generation potter. Having learned under a master craftsman from the very beginning (rather than taking a more typical, art school route), Masaki's fluency of the potter’s wheel enables him to work at phenomenal speed. He offers exquisite works at affordable prices, which he hopes ensures they get used! As a kyusu craftsman who believes in functional beauty, for him, the highest compliment is for people to enjoy delicious tea brewed in a kyusu. Needless to say he is a favourite among teaware enthusiasts.


The traditional Japanese teapot, kyusu are typically made of ceramics with a side handle placed at a 90° angle to the spout for ease of pouring – however the handle can also be found over the top or in the back. Kyusu are perfect for preparing green teas and tend to be on the small side to prevent overbrewing. Depending on the size, shape and type of clay a kyusu is made from will determine what type of tea is best prepared in it. There are many different regional styles as well as kyusu made by certified master craftsmen, which are prized amongst collectors.

Banko Yaki

Merchant and passionate chajin (“tea person”) Nunami Rozan is credited as the founding father of Banko-yaki. Back in the 18th century he opened a kiln in what is now Asahi-machi, Mie prefecture, stamping his wares with 萬古不易 – banko-fueki: “eternally unchanging” – in the hope that his ceramics would be passed down across generations forever. Today Banko-yaki is still produced in the Mie prefecture, primarily in the city of Yokkaichi, and is a protected traditional craft of Japan. Synonymous with Banko is the local, iron-rich shidei "purple clay", which when baked in a high-temperature reduction furnace becomes very heat resistant and turns the characteristic deep violet-brown of Banko-yaki, with an almost metallic sheen. It is said that the tannins in green tea react with the iron in unglazed shidei teaware to soften the astringency of the tea, highlighting its sweetness; therefore umami-rich teas such as sencha, kabusecha and gyokuro come highly recommended when using Banko.


Shidei banko will quickly develop a patina and become more glossy with use. It is natural that fingerprints will stand out on the surface in the first few months but these will begin to subside as the surface starts to develop a deep lustre. When cleaning, only use water and a soft cloth, then leave to air dry naturally. Do not use detergents or put in the dishwasher. Hard water may cause limescale deposits to develop, in which case rinse with soft bottled water, then wipe with a soft cloth.

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