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YKK Group
Native name	YKKグループ
Formerly	San-es Shokai, Yoshida Kōgyō Kabushikigaisha (吉田工業株式会社)
Company type	Private KK
Industry	Manufacturing
Founded	Nihonbashi, Tokyo; (January 1, 1934; 91 years ago)
Founder	Tadao Yoshida
Headquarters	Kanda Izumi-cho, Chiyoda-ku, Tokyo 101-8642, Japan
Area served	Worldwide
Key people	Tadahiro Yoshida; (Chairman and CEO); Hiroaki Ōtani; (President)
Products	Fastening products; Windows and doors; Building facades; Production machinery;
Revenue	JPY 721.03 billion (FY 2014) (US$ 6.1 billion) (FY 2014)
Net income	JPY 46.9 billion (FY 2014) (US$ 390.8 million) (FY 2014)
Number of employees	42,154 (consolidated as of March 31, 2015)
Website	Official website
	Footnotes / references;

The YKK Group (YKKグループ, Waikeikei Gurūpu) is a Japanese group of manufacturing companies. They are the world's largest zipper manufacturer, also producing other fastening products, architectural products, plastic hardware and industrial machinery.

The initials YKK stand for Yoshida Kōgyō Kabushiki gaisha (吉田工業株式会社, lit. "Yoshida Manufacturing Corporation"), which was the name of the company from 1945 until 1994. YKK produces fasteners and architectural products at 112 YKK facilities in 70 countries worldwide.^[4]

History

Before World War II

What would later become YKK operated initially as San-es Shokai and was founded by Tadao Yoshida in Higashi Nihonbashi, Tokyo in January 1934. The company specialized in marketing of fastening products. In February 1938, San-es Shokai was renamed to Yoshida Kogyosho. WWII was underway by 1939, and the next major corporate event would not take place until February 1942 when the company reorganized as a limited corporation.^[5]

After World War II

In January 1946, the company registered the YKK trademark. A major technological change came in 1950, when the company purchased a chain machine from the U.S. that allowed the automation of the zipper making process. Previously, YKK zippers were made by hand, and hence had an inferior quality compared to automated zippers from abroad.

In March 1951, YKK relocated its headquarters to Chūō, Tokyo. In May 1955, a new plant was opened in Kurobe, Toyama. In August 1958, the headquarters was again relocated to Taitō, Tokyo. In this year, the company also introduced its new Conceal brand that does not show the teeth of the zippers. Another major step came in November 1959, with the opening of its first overseas location, producing YKK zippers in New Zealand. YKK's first US office opened in New York City in 1960 and is now the country's top supplier of zippers and other fastening devices such as snaps and buttons. As the company grew, it brought every step of manufacturing in-house, including smelting brass and dyeing cloth.^[6]

Diversification

In November 1961, the product line was diversified to include aluminium products for buildings. In June 1963, the company relocated its headquarters again to Chiyoda, Tokyo, the current location of the company. In 1966, a new product YZip was introduced, an extra strong and durable zipper for jeans. The development of a machine that automatically included the YZip zipper into the stitching process of jeans further increased sales, especially in the USA. In 1968, YKK opened its first branch in Canada. Its Canadian headquarters are currently in Montreal, Quebec. There was further expansion in the 1970s, with the opening of three new plants in Utazu, Kagawa in April 1972, in Sanbongi, Miyagi in June 1974, and in Yatsushiro, Kumamoto in February 1975. YKK also opened a fastener-making factory in Eswatini which has grown to supply the entire sub-Saharan region, including Madagascar and Mauritius.^{[citation needed]}

More product lines became available with the Quicklon (sometimes called Cosmolon) fasteners in December 1981. International and product expansion continued during the 1980s, with a real estate business in Singapore in December 1984, an agricultural business in Brazil in January 1985, and a plant in Indonesia in September 1986 producing zippers and aluminium parts for buildings. The company was finally renamed YKK in August 1994.^{[citation needed]}

New millennium

In July 2000, the company established YKK Newmax Co., Ltd, specializing in the production of snaps and buttons. In December 2002, a machine company was established in Suzhou, China. In April 2003, a research and development facility was established in Hokkaido, Japan. A company specializing in sales, YKK Fastening Products Sales Inc. was established in February 2003. YKK AP Inc. was founded in October 2003, specializing in architectural products. Overall, the organization operates 111 affiliated companies in 71 countries, with 42,154 employees.^[4]

Price fixing

On September 19, 2007, YKK was fined €150.3 million by the European Commission for running worldwide price-fixing cartels and sharing markets with zipper-makers Prym and Coats. Coats of Britain and Prym of Germany were fined €122.4 million and €40.5 million respectively for their participation in cartel behaviour.^[7] YKK lost its appeal to the General Court on June 27, 2012.^[8]^[9] It then launched an appeal to the European Court of Justice on September 5, 2012.^[10]

In October 2014, part of the fine was reduced by the European high court from €19.25 million to €2.79 million.^[11]^[12]

Products

Fastening products

Fastening products are the first and still the most important product of YKK. Within YKK, the company distinguishes between the Slide Fastener Division, the Textile and Plastic Products Division, and the Snap Fastener and Button Division.

Zippers
- Standard Metal
- YZiP: Metal zipper, extra durable for jeans
- EverBright: Metal zipper, polished for visual appeal, corrosion resistant
- Excella: Metal zipper, polished and plated for visual appeal, also in different colours (silver, gold, and "antique" finish)
- Standard Coil
- Conceal: Plastic coil zipper with concealed elements (no visible teeth)
- Vislon: Standard – rugged plastic zipper
Hook and loop products
Plastic parts, including various types of clips and buckles
Snaps and buttons, including snap fasteners and jeans buttons

On August 26, 2013, YKK Corporation filed a patent infringement complaint in the Middle District of Georgia against Velcro USA Inc. of Manchester, New Hampshire, relating to a fastener strip used in foam moulded products like a cushion body used for an automobile seat.^[13]

Architectural products

Architectural Aluminium products include fenestration systems for glass exteriors; entrances for commercial and institutional structures; Aluminium sunshades and residential windows. It is based in Atlanta, Georgia, USA.^[14]

YKK AP America Inc. manufactures entrances, store fronts, curtain wall, window wall, sunshades, windows and sliding doors for office buildings, residential high-rises, schools, stadiums, shopping centres and institutional structures.^[15]

Machinery and engineering

The Machinery and Engineering Group focuses on the development and production of machines, equipment, and dyes, serving YKK Group with the Exclusive Machinery Division, Industrial Machinery Division, and Dye Division.