Okamoto Machine Tool Works, Ltd.

Okamoto Machine Tool Works manufactures and sells grinding machines and semiconductor-related equipment in Japan and globally. Its operations are structured into the Machine Tools and Semiconductor Related Equipment segments.

It offers precision surface, precision form, cylindrical/internal/universal, and specialized grinding machines. Its portfolio also includes semiconductor manufacturing equipment, precision gears and castings, and polishing and slicing machines. Founded in 1926, the company is headquartered in Annaka, Japan.