Zuken

 is a Japanese multinational corporation, specializing in software and consulting services for end-to-end electrical and electronic engineering. Zuken came into existence as a pioneer in the development of CAD systems in Japan to contribute to electronics manufacturing. The literal translation of Zuken is "graphics laboratory." Established in 1976 in Yokohama, Japan, it is listed on the Tokyo Stock Exchange; net sales amounted to US$216 million for the year 2011.
Zuken's software is primarily used for designing printed circuit boards (PCBs), Multi-Chip Modules, and for the engineering of electrotechnical, wiring, wiring harness, pneumatics and hydraulics applications. Furthermore, Zuken offers software for electrical and electronic engineering data management (e-PLM). The company's key markets are the electronics industry – which includes digital home electrical appliances; mobile communications devices; transportation equipment, such as automobiles, special vehicles and railroads; industrial equipment, such as medical equipment and devices; and construction machinery. Zuken also has a strong presence in the aviation and space industries. Zuken is one of three major EDA companies which specialize in PCB design software, the other two being Cadence Design Systems and Mentor Graphics.