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.
Some of the well-known blacksmiths working with them are Genkai Masakuni, Kenji Togashi, and Yoshikazu Ikeda.
Yamawaki hamono is a certified "Sakai Wazashu". It is a certification by the Sakai Chamber of Commerce and Industry granted to excellent Sakai companies that preserve traditional techniques. There are only four hamono in Sakai with this certification.
Construction type: monosteel Steel category: stainless Steel type: Takefu VG1 (VG1 is the tougher cousin of VG10)
Total length: 380mm Blade length: 226mm Blade height at heel: 49.7mm Spine thickness at handle: 2.3mm Spine thickness at heel: 2.1mm Spine thickness at middle: 1.8mm Spine thickness 1cm from the tip: 0.7mm Weight: 150g
Edge/bevel: 50:50 Handle: octagonal walnut (custom) Hand orientation: ambidextrous