YUKEN had its beginning in 1929 as an auto repair facility, started by Mr. Uichi Yuki. It grew into a machine tool builder in 1931. Hydraulic honing machines followed in 1940. The manufacturing of this equipment brought about the development of hydraulic vane pumps and control valves, which established a base for the manufacturing of hydraulic equipment.A Company by the name of Yuatsukiki Kenkyujo was formed in 1952, with $12,000.00 capitalization. In 1956 this company was reorganized as YUKEN KOGYO Co. Ltd. with $60,000.00 capitalization. A sales office was established in Osaka, Japan in 1959 followed by a factory in Fujisawa in 1960. In 1961 YUKEN Machinery Co. Ltd. was formed.