Yoshihiro is a brand by Yamawaki Cutlery Mfg. Co. Ltd.---one of the biggest knifemakers in Sakai, Japan. The cutlery ("hamono") was established in 1945 and has been providing high-quality knives for home and professional use. Early on, they were mainly involved in providing high-end kitchen knives and are known for their high-value-added services (sharpening and polishing).
They have a significant contribution to the expansion of Sakai's high-end Japanese knife market. Some of the well-known blacksmiths working with them are Genkai Masakuni, Kenji Togashi, Yoshikazu Ikeda, and Satoshi Nakagawa.