Kawamoto Hansuke IV – Master of Seto Sometsuke Ware
Kawamoto Hansuke is the inherited name of a distinguished family of potters specializing in Seto ware (Setoyaki), based in the Gojōjima kilns of Seto City, Japan. The name has been passed down through generations since the mid-18th century. The first Hansuke, along with Kawamoto Jihei, revived the historic Asahi and Yūhi kilns during the Hōreki era (1751–1764), laying the foundation for a family legacy in ceramics.
In 1804, the third-generation Hansuke shifted the family focus to blue-and-white porcelain (sometsuke). In 1822, the fourth-generation Hansuke—born Ryōsuke—took over the family kiln. He became renowned for his masterful use of Shonzui-style blue-and-white designs and was hailed as a "naturally gifted artisan." While inheriting his father's skills, he consistently pursued technical innovation to improve the quality of porcelain.
During the Tenpō era (1830–1844), Hansuke IV developed a method of mixing ground "gyaman" stone into the clay body, resulting in porcelain with enhanced clarity and a lustrous finish. This breakthrough elevated the aesthetic of his work, leading to the creation of elegant, refined pieces admired for their beauty.
Hansuke IV also became the official potter for the Owari Tokugawa family (Bishū-ke), presenting custom-decorated wares annually. His porcelain gained widespread acclaim for its technical and artistic excellence.
In 1858 (Ansei 5), Hansuke IV retired after adopting his son-in-law, Kawamoto Masukichi, as his successor—Hansuke V. Works by Hansuke IV bear a variety of marks, including "Hansuke" (半輔), "Hansai" (半介), "Hansan" (半山), "Yamahan" (山半), and "Shintōen" (真陶園), and he is remembered as a pivotal figure in the history of Seto ceramics.
Kawamoto Hansuke V – Innovator of Lustrous Sometsuke Porcelain
Kawamoto Hansuke V was a highly skilled and naturally gifted potter, often referred to as a "master by innate talent." During the Tenpō era (1830–1844), he developed his own innovative ceramic techniques.
One of his key contributions was grinding "gyaman" (glass) into a fine powder and blending it into porcelain clay, which produced a glossy, refined surface and enhanced the vibrancy of cobalt blue in sometsuke (blue-and-white) decoration. This innovation significantly elevated the aesthetic quality of his works.
In recognition of his achievements, he was appointed as an official potter to the Owari Domain, receiving an annual stipend of two silver coins from the domain lords.
His works are often marked with inscriptions such as "Hansan" (半山), "Yamahan" (山半), and "Shintōen" (真陶園)—signatures that remain identifiable among collectors and connoisseurs of Seto ware.
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