- 1942
- Founded "Aichi Electric Repair Company" in Nagoya City
Established "AICHI ELECTRIC MFG.CO., LTD." in Nagoya City
- 1947
- Established Nagano factory
Established Tokyo Office
- 1948
- Established Gifu Factory
- 1951
- Established Kyushu Office
- 1953
- Established Sendai Office
- 1955
- Established Osaka Office and Sapporo Office
- 1957
- Started production of small motors
- 1959
- Established new and well-equipped factory in Kasugai city, and integrated factories to one site
- 1960
- Separated Nagano factory and Gifu factory and established Nagano Aichi Electric Co., Ltd. and Gifu Aichi Electric Co., Ltd.
- 1961
- Established new motor factory
Listed in Second Section of Nagoya Stock Exchange
- 1964
- Established "Aichi-Emerson Electric Co., Ltd."(present "AICHI ELEC CO."), joint venture with Emerson Electric, USA.
- 1967
- Established Okinawa Office
- 1970
- Concluded technical collaboration with ELIN UNION, Austria
Listed in First Section of Nagoya Stock Exchange
- 1973
- Established high voltage large transformer factory
- 1977
- Established Tohoku factory
- 1985
- Established toilet seat factory
- 1986
- Changed name of organization to "AICHI ELECTRIC CO., LTD."
- 1987
- Conducted capital investment and technical agreement with "Thai Maxwell Electric Co., Ltd." in Thailand
- 1988
- Joined establishment of Thai Compressor Manufacturing Co., Ltd. in Thailand
- 1990
- Established motor No. 1 factory
- 1992
- Established Toki factory
Constructed Head Office Building
- 1996
- Acquired ISO9001 certificate(Electric Power Products Div.)
Acquired ISO9001 certificate(Control equipment Div.)
- 1997
- Acquired JET certificate for solar power generation power conditioner
- 1999
- Acquired ISO9001 certificate(Electric & Electronic Products Div.)
- 2000
- Acquired ISO14001 certificate
- 2001
- Separated Toki factory (Present "TOTO Washlet Techno Co., Ltd.")
- 2005
- Established "SUZHOU AICHI TECHNOLOGY CO., LTD." in China jointly with AICHI ELEC CO. and AICHI ELECTRIC CO., LTD.
- 2006
- Established new manufacturing system of small transformers
- 2008
- Constructed new production line of middle transformers
- 2009
- Constructed new production line of large transformers
- 2011
- Constructed new production line of control equipment
Established "Suzhou Aichi Gauss Motor Co., Ltd." in China jointly with AICHI ELEC CO. and two local companies in China and AICHI ELECTRIC CO., LTD.
- 2013
- Established "PT.AMTRA ELECTRIC" in Indonesia jointly with Thai Maxwell Electric Co., Ltd. and AICHI ELECTRIC CO., LTD.
- 2017
- Merged the sales subsidiary "Aiden Shoji Co., Ltd."
- 2020
- Merged the subsidiary "AICHI ELEC CO."
