| March 2002 |
DEODEO Corporation and EIDEN Co., Ltd. established a holding company EDION Corporation by way of a stock transfer |
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| October 2002 |
EIDEN Co., Ltd. merges with CompMart Co., Ltd. |
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| September 2003 |
Head office function moved to Nagoya |
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| April 2005 |
MIDORI DENKA Co.,Ltd. subsidiary through a share exchange |
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| July 2006 |
EIDEN Co., Ltd. merges with Disk Station Co., Ltd. |
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| July 2006 |
Acquired 33.4% stake in Ishimaru Denki Co., Ltd. |
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| February 2007 |
Headquarters function relocated to Osaka |
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| February 2007 |
EIDEN Co., Ltd. makes Mitsuishi Denka Center Co., Ltd. a subsidiary |
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| March 2007 |
Acquired additional shares of Ishimaru Denki Co., Ltd., Ltd. and made it a subsidiary (40.0% in total) |
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| April 2007 |
DEODEO Corporation merges with DEODEO Shoji Co., Ltd. |
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| June 2007 |
Acquired 40% of SANKYU Co., Ltd. Ltd. and made it a subsidiary |
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| October 2007 |
Established TOKYO EDION Co.,Ltd. wholly owned subsidiary |
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| December 2007 |
MIDORI DENKA Co.,Ltd. merged with Midori Co., Ltd. |
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| April 2008 |
MIDORI DENKA Co.,Ltd. merged with Midori Service Co., Ltd. |
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| October 2008 |
Additional acquisition of Ishimaru Denki Co., Ltd., making it a wholly owned subsidiary |
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| February 2009 |
EIDEN Co., Ltd. merged with TOKYO EDION Co.,Ltd., Ishimaru Denki Co., Ltd., Mitsuishi Denka Center Co., Ltd., etc. |
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| April 2009 |
EIDEN Co., Ltd. absorbed Home EXPO Co., Ltd. |
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| October 2009 |
DEODEO Corporation and MIDORI DENKA Co.,Ltd. merged and changed the company name to EDION WEST Corporation |
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| October 2009 |
Changed the company name from EIDEN Co., Ltd. to EDION EAST Corporation |
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| April 2010 |
EDION Corporation acquires all shares of NWORK Corporation makes it a subsidiary |
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| October 2010 |
EDION Corporation merges EDION EAST Corporation EDION WEST Corporation |
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| October 2010 |
EDION Corporation Communications and COMNET Co., Ltd. became subsidiaries following the merger of EDION EAST Corporation |
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| April, 2011 |
EDION Corporation merges with COMNET Co., Ltd. |
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| October 2011 |
Acquired additional shares of SANKYU Co., Ltd. Ltd. and made it a wholly owned subsidiary |
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| April 2012 |
Changed the company name from SANKYU House System Co., Ltd. to EDION HOUSE SYSTEM Corporation |
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| April 2012 |
Established eR E.R.JAPAN Corporation, a subsidiary engaged in reuse and recycling business, through joint investment |
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| October 2012 |
"Ishimaru", " EIDEN ", "Midori" and " DEODEO " changed to " EDION ", a nationwide unified store brand |
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| August 2013 |
LIXIL Group Corporation and a established a capital and business tie up and the increased capital through third-party allocation of new shares |
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| October 2014 |
Sold home improvement business |
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| February 2015 |
Received the Ministry of Economy, Trade and Industry's " advanced reform company commendation " for the first time in the home appliance retail industry |
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| April 2015 |
First “T-point service” started at electronics retailers |
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| September 2015 |
Started real estate brokerage business “EDION HOUSING” |
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| March 2017 |
Made eR Japan Co., Ltd. a wholly owned subsidiary |
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| August 2017 |
Forest Co.,Ltd., a mail-order business, a subsidiary |
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| March 2018 |
Established e-Logi Corporation, a logistics service business, through joint investment |
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| October 2018 |
EDION Corporation merges with EDION Corporation Communications |
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| September 2019 |
Made e-Logistics a wholly owned subsidiary |
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| November 2019 |
Jtop Co.,Ltd. subsidiary |
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| December 2019 |
Youmemiru Inc., Ltd. a subsidiary |
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| February 2021 |
Made PTN Co., Ltd. a subsidiary |
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| April 2022 |
Termination of capital alliance with LIXIL Corporation and agreement to continue business alliance |
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| April 2022 |
Concluded a established a capital and business tie up agreement with Nitori Holdings Co., Ltd. |
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| October 2022 |
NWORK Corporation merged with Hampstead Co., Ltd. and changed its name to EDION X Ventures Corporation |
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| 2023年09月 |
（株）サンフレッチェ広島を子会社化 |
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| 2023年10月 |
（株）ジェイトップが（株）e-ロジを吸収合併 |
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| 2024年03月 |
（株）麻布を子会社化 |
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