August 1962 | Transferred control of heat exchanger business from Mitsubishi Electric Corporation Itami Works to Toyo Electric Tada Works |
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November 1963 | Established Tada Electric Co., Ltd. (Capital: 40 million yen, 100% capitalized by Mitsubishi Electric Corporation) Head Office Location: Kawanishi City, Hyogo Took over and continued operation of heat exchanger business from Toyo Electric Corporation's Tada Works |
October 1973 | Constructed Okayama Works (Increased capital to 150 million yen, 100% capitalized by Mitsubishi Electric Corporation) |
October 1980 | Increased capital to 300 million yen (100% capitalized by Mitsubishi Electric Corporation) |
January 1982 | Started manufacture of ozone generators |
November 1985 | Started semiconductor test business (Transferred from Mitsubishi Electric Corporation, Kita-Itami Works) |
February 1989 | Constructed Semiconductor Works |
December 1994 | Constructed Okayama 2nd Works |
April 2001 | Established the Industrial Apparatus Works (Transferred from Mitsubishi Electric Corporation, Transformation of System Electrical Energy-Traffic System Business Office) |
April 2007 | Split up and devolved semiconductor business |
June 2007 | Head Office moved from Kawanishi City to Amagasaki City. |
April 2009 | Received transfer of heat exchanger business from Nihon Kentetsu Co., Ltd. Note:Renamed Okayama Works to Heat Exchanger Works |
May 2014 | Established the Tokyo Sales Office |
October 2014 | Constructed 3rd Factory of Heat Exchanger Works |
February 2022 | Constructed New Painting Factory of Heat Exchanger Works |
April 2023 | Electron beam processing machine Started after-sales service business |