Yotsukawa Seisakusho is a manufacturer of Takaoka copperware, a 400-year-old craft from Toyama Prefecture.

They have been created a number of ingeniously designed, beautiful, and highly practical products using a unique technique that combines the excellence of Takaoka copperware production with Yamanaka lacquerware craftsmanship.

Their Kisen series is made by craftspeople who excel in the processing techniques of each material, working in a division of labor and combining them to create something new and beautiful. In addition to their ease of use, their sculptural forms evoke modern art.