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Months and Years
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History
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October 1940
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Kazuto Mukaiyama establishes Koa Kogyo in Tokyo to start the manufacturing of fixed resistors.
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December 1941
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The company opens Ina plant (at the location of the present head office) in Ina, Nagano to expand its manufacturing capacity.
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May 1947
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The company becomes a joint-stock corporation.
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December 1950
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The company changes its name to Koa Denko Co., Ltd.
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June 1955
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The company becomes a JIS (Japanese Industrial Standards) authorized manufacturer.
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December 1961
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The company lists its stock on the Second Section of the Nagoya Stock Exchange.
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November 1967
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DAH HSING ELECTRIC CO., LTD is established in Taiwan.
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March 1974
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KOA DENKO (MALAYSIA) BERHAD is established in Malaysia.
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December 1977
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Koichi Mukaiyama is named as President of Koa Denko Co., Ltd.
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April 1980
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KOA SPEER ELECTRONICS, INC. is established in the United States.
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February 1981
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KOA DENKO SPTE, LTD. is established in Singapore.
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January 1984
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PINE PARK (East Wing and HELLO Wing) is opened.
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April 1984
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KOA ELECTRONICS CO., LTD. is established.
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September 1984
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Koa Denko Co., Ltd. lists its stock on the First Section of the Tokyo Stock Exchange and the Nagoya Stock Exchange.
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October 1984
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KASHIMA KOA DENKO is established.
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April 1985
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Koa Denko Co., Ltd. changes its name to KOA CORPORATION.
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April 1986
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KOA SEFIX is established.
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August 1986
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KOA KAOHSIUNG CORPORATION is established in Taiwan.
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March 1987
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The KPS campaign is inaugurated.
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June 1989
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KOA T T is established.
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November 1991
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SHANGHAI KOA ELECTRONICS CO., LTD. is established.
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February 1992
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TAKUMI NO SATO is opened.
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August 1993
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MUSASHINO KOBO is opened.
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June 1994
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KOA ELECTRONICS (H.K.) LIMITED is established.
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December 1994
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KOA CORPORATION obtains ISO 9002 certification for quality control.
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April 1995
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KOA EUROPE GMBH is established in Germany.
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March 1996
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KOA CORPORATION obtains ISO 9001 certification for quality control.
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March 1997
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SHANGHAI KOA ELECTRONICS TRADING CO., LTD. is established.
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April 1998
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KOA CORPORATION obtains ISO 14001 certification for environmental management.
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July 1998
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KOA CORPORATION obtains QS 9000 certification for quality control.
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December 1998
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EARTH WING is added to PINE PARK.
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April 2000
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K-TECH DEVICES CORPORATION is established.
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June 2000
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KOA ELECTRONICS (TAICANG) CO., LTD. is established in China.
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August 2001
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TAMA ELECTRIC CO.,LTD. joined KOA Group as a subsidiary through exchange of shares.
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October 2001
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SHANGHAI REPRESENTATIVE OFFICE was established in SHANGHAI, China.
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February 2002
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゛Ｓ･Ａ･Ｗ Wing゛ was opened as a welfare facility of employees.
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December 2002
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KOA SEFIX CORPORATION was merged into KOA as Takagi and Matsukawa factories.
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