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