OKAMOTO MACHINE TOOL WORKS, LTD. · 株式会社岡本工作機械製作所

Okamoto Machine Tool Works Ltd is a Japan-based company mainly engaged in the machine tool business and the semiconductor-related equipment business. It operates through two business segments. The Machine Tool Business segment manufactures and sells grinding machines including surface grinders, form grinders, cylindrical grinders, internal grinders, gear grinders, dedicated and special grinders, and grinding processing peripheral equipment, precision gears, and castings. The Semiconductor-related Equipment Business segment mainly manufactures and sells back grinders, polishing machines, lapping machines, slicing machines, and ingot grinders. Employees 2,259 Sector Industrial Machinery & Equipment Calendar Aug. 05 - Earnings release - Q1 2027