Seido (晟土)
Seido is a newly developed eco-friendly clay created by Seiseisha. It has 1.5 times the strength of regular porcelain and reduces carbon dioxide emissions during firing by 40% compared to traditional porcelain manufacturing. Efforts have also been made to reduce the defect rate in production, and the unique texture is achieved by mixing tepunn (a type of clay) in advance. Additionally, it is designed to resist staining even without glazing, achieving a 99% good product rate.
Seiseisha (精成舎)
The Hizen Yoshida ware has overcome various hardships, including recessions and wars, over its approximately 400-year history and has reached the present day. As potters living in the present, with the hope of making this a thriving region for the next 50 or 100 years, we named our brand "Seiseisha" in honor of the legacy of the founders who established Seiseisha, and with the wish that it would become a place where young people gather and continue the tradition of Yoshida ware.