Ooya Seisakusho

Ooya Seisakusho is a Japanese company with roots dating back to 1928, when Toraichi and Kinjiro Ooya founded their copper workshop. Today, the company is known for its high-quality, handcrafted pure copper graters. As a family-owned business, its durable and functional kitchen tools reflect a long-standing commitment to craftsmanship and refined finishing. Made in Japan, the copper graters are valued by both professional chefs and home cooks alike.