The Japanese YKK Group ( YKK Japanese株式会社, wai kei kei kabushiki - gaisha, English YKK Corporation) is the world's largest zipper producer and manufacturer of various industrial next connection techniques. YKK was founded in 1934 by Tadao Yoshida as a sole proprietorship and began in 1936 with the manufacture of zippers; 1946 YKK was registered as a trademark. " YKK " is derived from Yoshida Kōgyō Kabushikigaisha (吉田 工业 株式会社), the company before 1994.
The business closure technique of the German Stocko was adopted in 1994 and will be continued since under the name of " YKK stocko Fasteners GmbH ". The German production of zippers takes place in the Hessian town of Weimar - Wenkbach ( at Marburg) and in Wuppertal, the head office of YKK Germany is in Main Hausen (bei Offenbach am Main). In Austria, Austria YKK located since 1975 in March in Burgenland and has about 35 employees.
In the 1998 season YKK sponsored the Formula 1 team Tyrrell - Ford.
In 2007, YKK was condemned by the European Commission to pay a fine of 150.2 million euro for illegal price-fixing agreements with other manufacturers.
Work of stocko Fasteners GmbH in Wuppertal