SHOWA SHINKU CO., LTD. engages in the manufacture and sale of vacuum technology devices. It operates through Vacuum Technology Device Business and Service Business segments. The Vacuum Technology Device Business segment manufactures and sells quartz devices, optical devices, and electronic components. The Service Business segment engages in the sale and repair of vacuum technology devices parts and accessories. The company was founded in September 1953 and is headquartered in Sagamihara, Japan.