Company History
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- 1926
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Company founded
Giichi Yamashita established Yamashita Seisakusho as a sole proprietorship in Nishikiryō-cho, Sakai-ku, Sakai City, Osaka Prefecture, and began manufacturing agricultural machinery parts
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- 1941
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Giichi Yamashita was called to military service, and his wife, Kinu Yamashita, took over and continued the business
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- 1944
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The factory was completely destroyed in an air raid
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- 1947
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Following his demobilization,
Giichi Yamashita restarted Yamashita Seisakusho at its original site
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- 1961
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Established Koyo Nukimono Co., Ltd.
with a capital of 500,000 yen.
Giichi Yamashita was appointed as the Representative Director.
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- 1962
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Yoshinobu Yamashita established the Koyo company emblem
Began manufacturing ratchet gears for summer beds.
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- 1972
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Yoshinobu Yamashita succeeded Giichi Yamashita as Representative Director.
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- 1973
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A new 4-story head office building was completed on the adjacent lot.
The company name was changed to Koyo Giken Co., Ltd.
Capital was increased to 10 million yen.
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- 1977
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Developed metal fittings for cushioned floor chairs (currently known as floor chairs).
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- 1978
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Launched the all-purpose scissors "BriCut".
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- 1987
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Constructed a new 3-story head office building in Kusabe, Nishi-ku, Sakai City, and relocated from Nishikiryō-cho, Sakai-ku.
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- 1998
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Masunobu Yamashita established “Heart & Technology” as the company’s management philosophy.
Capital was increased to 60 million yen.
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- 2001
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LEGMAN received the Interzum Award in Cologne, Germany.
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- 2003
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Masunobu Yamashita succeeded Yoshinobu Yamashita as Representative Director.
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- 2004
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Expanded and renovated the new head office building at the Sakai Factory.
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- 2006
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Established KOYO China Sales office and factory in Dongguan City, Guangdong Province, China.
(China Sales Office & Factory, total floor area: 2,500 m²)
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- 2008
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Established Dongguan Koyo Trading Co., Ltd. with a registered capital of HK$6.5 million.
(total floor area: 5,000 m².)
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- 2013
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Established the local subsidiary KOYO Germany GmbH with a capital of €225,000.
The company is located in Stadttor,
a landmark building in Düsseldorf, Germany.
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- 2014
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Selected as one of the “Global Niche Top 100 Companies”
by the Ministry of Economy, Trade and Industry (METI).
Purchased adjacent land,
increasing the total head office site area to 14,076 m².
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- 2018
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Established KOYO Hanoi Limited in Hanoi, Vietnam with a capital of US$1.5 million.
(Vietnam Factory: site area 13,835 m², total floor area 5,876 m²)
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- 2020
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Increased capital of KOYO Hanoi Limited by US$1.3 million and carried out the second phase of construction. (Total floor area: 7,690 m²)
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- 2024
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Entered into a capital and business alliance with Tachibana Seiki Co., Ltd.,
making it a group company of our corporation.
Tachibana Seiki Co., Ltd.
2-3-25 Wakae Higashi-machi,
Higashiosaka-shi, Osaka 578-0935, Japan
