Kasumi Knives are created using over 100 years of sword making knowledge and skill. Since 1916 Sumikama has been devoted to manufacturing the best Japanese cutlery and knives using the knowledge and skill over 100- years of sword making in Seki city. Kasumi is the brand of Knives produced by the Sumikama Cutlery factory in Seki Japan, one of the most famous areas for cutlery and knife making in Japan.