| Nov. 1903 | Shinichi Nagata established the first knitting machine manufacturing and sales company in Japan in Kikuicho, Shinjuku-ku, Tokyo. |
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| May 1912 | The head office and the factory were relocated to Kita-Otsuka 2-chome, Toshima-ku. |
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| Nov. 1918 | The organization was incorporated and the company name became NAGATA BAKU DAISHO KIKAI CO., LTD. |
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| Apr. 1919 | The company name was changed to NAGATA MERIYAS KIKAI CO., LTD. |
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| Oct. 1937 | The company name was changed to NAGATA SEIKI CO., LTD. |
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| Mar. 1938 | Designated as an Imperial Japanese Army Air Force supervised factory. The munitions such as parts for planes produced. |
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| Jun. 1944 | The Niigata factory was constructed in Jizodo(Present Tsubame City), Bunsuimachi, Nishikambara, Niigata. |
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| Mar. 1973 | Production facilities of the Tokyo factory were consolidated with the Niigata factory. |
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| Mar. 1978 | As part of a redevelopment project of the former Tokyo factory location, the Eishin Building was constructed. In April of the same year, the head office was relocated to the Eishin Building. |
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| Mar. 1983 | As a new business field, the company moved into the IC mounting device division. The development of tape feeders commenced. |
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| Apr. 1988 | The development and production of taping machines commenced. |
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| Feb. 1998 | A new multi-level parking garage (60 car capacity) was built next to the head office. |
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| Mar. 1998 | Capital Participation by the Tokyo Small and Medium Business Investment & Consultation Co., Ltd. |
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| Jun. 1999 | Acquired ISO9001 certification. |
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| Sep. 2000 | The Head office was relocated to Kita-Otsuka 2-chome,Toshimaku,Tokyo. |
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| Sep. 2002 | As a new business field, the company moved into the food processing equipment section. |
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| Nov. 2003 | Celebrated the 100th anniversary of its establishment. |
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| Nov. 2004 | To commemorate the 100th anniversary of the company’s establishment, a new logo and symbol were created on the expectation of great strides in the coming 100 years. |
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| Oct. 2005 | Acquired Eco-Action 21 certification. |
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| Sep. 2015 | The head office was relocated to Kita-Otsuka 2-chome,Toshima-ku,tokyo. |
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| Sep. 2023 | The head office was relocated to Kita-Otsuka 1-chome,Toshima-ku,Tokyo |
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| Sep. 2025 | THe head office was relocated to Tsubame-shi,Niigata |
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