May 1947: Establishment of Daiichi Sangyo Co., Ltd. (predecessor of Deodeo Co., Ltd.)
Establishment of Daiichi Sangyo Co., Ltd. (formerly Deodeo Co., Ltd.)
April 1955: Establishment of Eiden Co., Ltd. (predecessor of Eiden Co., Ltd.)
Establishment of Eiden Co., Ltd. (formerly Eiden Co., Ltd.)
August 1961: Establishment of Midori Denka Co., Ltd. (predecessor of Midori Denka Co., Ltd.)
Establishment of Midori Denka Co., Ltd. (formerly Midori Denka Co., Ltd.)
March 2002: Establishment of holding company Edion Co., Ltd. through share transfer between Deodeo Co., Ltd. and Eiden Co., Ltd.
Establishment of holding company Edion Co., Ltd. through a share transfer between Deodeo Co., Ltd. and Eiden Co., Ltd.
October 2002: Eiden Co., Ltd. absorbs Compartment Co., Ltd.
Eiden Co., Ltd. absorbed Comport Co., Ltd.
September 2003: Headquarters functions moved to Nagoya City.
Headquarters functions moved to Nagoya City
April 2005: Midori Denka Co., Ltd. made a subsidiary through share exchange.
Midori Denka Co., Ltd. became a subsidiary through a share exchange
July 2006: Eiden Co., Ltd. absorbs Disk Station Co., Ltd.
July 2006: Acquired 33.4% of Ishimaru Electric Co., Ltd.
Eiden Co., Ltd. absorbed Disk Station Co., Ltd.
Acquired 33.4% of Ishimaru Electric Co., Ltd.'s shares
February 2007: Moved headquarters functions to Osaka City
February 2007: Eden Co., Ltd. made Mitsuke Electric Center Co., Ltd. a subsidiary
Headquarters functions moved to Osaka City
Eiden Co., Ltd. made Mitsuke Denka Center Co., Ltd. a subsidiary
March 2007: Ishimaru Electric Co., Ltd. acquired additional shares and became a subsidiary (total 40.0%)
Acquired additional shares of Ishimaru Electric Co., Ltd. and made it a subsidiary (total 40.0%)
April 2007: Deodeo Co., Ltd. absorbed Deodeo Trading Co., Ltd.
Deodeo Co., Ltd. absorbed Deodeo Trading Co., Ltd.
June 2007: Acquired 40% of Thank You Co., Ltd., which develops '100 Full Volt', and made it a subsidiary
Acquired 40% of Sunkyu Co., Ltd., which operates '100 Man Volt', and made it a subsidiary
October 2007: Established Tokyo Edion Co., Ltd. as a wholly-owned subsidiary
Established wholly-owned subsidiary Tokyo Edion Co., Ltd.
December 2007: Midori Electric Co., Ltd. absorbed Midori Co., Ltd.
Midori Denka Co., Ltd. absorbed Midori Co., Ltd.
April 2008: Midori Electric Co., Ltd. absorbed Midori Service Co., Ltd.
Midori Denka Co., Ltd. absorbed Midori Service Co., Ltd.
October 2008: Ishimaru Electric Co., Ltd. acquired additional shares and became a 100% subsidiary
Acquired additional shares of Ishimaru Electric Co., Ltd. and made it a 100% subsidiary.
February 2009: Eden Co., Ltd. absorbed Tokyo Edion Co., Ltd., Ishimaru Electric Co., Ltd., Mitsuke Electric Center Co., Ltd., and others
Aiden Co., Ltd. absorbed Tokyo Edion Co., Ltd., Ishimaru Electric Co., Ltd., Mishiki Electric Center Co., Ltd., and others.
April 2009: Eden Co., Ltd. absorbed Home Expo Co., Ltd.
Aiden Co., Ltd. absorbed Home Expo Co., Ltd.
October 2009: Deodeo Co., Ltd. and Midori Electric Co., Ltd. merged and changed name to Edion West Co., Ltd.
October 2009: Eden Co., Ltd. changed name to Edion East Co., Ltd.
Deodeo Co., Ltd. and Midori Electric Co., Ltd. merged and renamed themselves Edion WEST Co., Ltd.
Aiden Co., Ltd. renamed itself Edion EAST Co., Ltd.
April 2010: Edion Co., Ltd. acquired all shares of Enwork Co., Ltd. and made it a subsidiary
Edion Co., Ltd. acquired all shares of ENWORK Co., Ltd. and made it a subsidiary.
October 2010: Edion Co., Ltd. merged Edion East Co., Ltd. and Edion West Co., Ltd.
October 2010: Following the merger of Edion East Co., Ltd., Edion Communications Co., Ltd. and Comnet Co., Ltd. were made subsidiaries
Edion Co., Ltd. merged Edion EAST Co., Ltd. and Edion WEST Co., Ltd.
Following the merger of Edion EAST Co., Ltd., Edion Communications Co., Ltd. and Comnet Co., Ltd. were made subsidiaries.
April 2011: Edion Co., Ltd. absorbed Comnet Co., Ltd.
Edion Co., Ltd. absorbed Comnet Co., Ltd.
October 2011: Acquired additional shares of Thank You Co., Ltd. and made it a 100% subsidiary
Acquired additional shares of Thank You Co., Ltd. and made it a 100% subsidiary.
April 2012: Thank You House System Co., Ltd. changed name to Edion House System Co., Ltd.
April 2012: Established E.R. Japan Co., Ltd., a subsidiary engaged in reuse and recycling business, through joint investment
Thank You House System Co., Ltd. renamed itself Edion House System Co., Ltd.
Established a joint venture subsidiary, E.R. Japan Co., Ltd., to conduct reuse and recycling business.
October 2012: Changed the store brands 'Ishimaru', 'Eiden', 'Midori', and 'Deodeo' to the nationwide unified brand 'Edion'.
Rebranded the stores 'Ishimaru', 'Aiden', 'Midori', and 'Deodeo' under the nationwide store brand 'Edion'.
August 2013: Entered into a capital and business partnership with LIXIL Group Inc. and conducted a third-party allotment of additional shares.
Entered into a capital and business alliance with LIXIL Group Co., Ltd. and conducted a third‑party rights issue.
October 2014: Sold the home center business.
Sold the home center business.
February 2015: Received the Ministry of Economy, Trade and Industry's 'Advanced Reformer Award', the first in the home appliance retail industry.
Received the Ministry of Economy, Trade and Industry's 'Advanced Reformer Award', the first in the home appliance retail industry.
April 2015: Launched the 'T Point Service' for the first time in a home appliance retailer.
Launched the T Point service for the first time in a home appliance retailer.
September 2015: Started the real estate brokerage business 'Edion Housing'.
Started the real estate brokerage business 'Edion Housing'.
March 2017: Fully acquired E.R. Japan Inc. as a subsidiary.
Made E.R. Japan Co., Ltd. a wholly owned subsidiary.
August 2017: Made Forester Inc., which operates an online sales business, a subsidiary.
Made Forester Co., Ltd., which operates mail-order business, a subsidiary.
March 2018: Established e-Log Inc., a logistics service company, through joint investment.
Established e-Logi Co., Ltd., a logistics service company, through joint investment.
October 2018: Edion Inc. absorbed and merged with Edion Communications Inc.
EDION Co., Ltd. absorbed and merged with EDION Communications Co., Ltd.
September 2019: Fully acquired e-Log Inc. as a subsidiary.
e-Logi Co., Ltd. became a wholly-owned subsidiary.
November 2019: Made Jetop Inc. a subsidiary.
Jaitop Co., Ltd. became a subsidiary.
December 2019: Made Yumemiru Inc. a subsidiary.
Dreaming Co., Ltd. became a subsidiary.
February 2021: Made PTN Inc. a subsidiary.
PTN Co., Ltd. became a subsidiary.
April 2022: Terminated the capital partnership with LIXIL Inc. while agreeing to continue the business partnership.
April 2022: Signed a capital and business partnership agreement with Nitori Holdings Inc.
LIXIL Co., Ltd. ended the capital partnership and agreed to continue business cooperation.
Signed a capital and business partnership agreement with Nitori Holdings Co., Ltd.
October 2022: N-Work Inc. absorbed and merged with Hampstead Inc. and changed its name to EDION Cross Ventures Inc.
NWORK Co., Ltd. absorbed and merged with Hampstead Co., Ltd. and changed its name to EDION Cross Ventures.
September 2023: Made Sun Fresche Hiroshima Inc. a subsidiary.
Sunfretche Hiroshima Co., Ltd. became a subsidiary.
October 2023: Jetop Inc. absorbed and merged with e-Log Inc.
Jaitop Co., Ltd. absorbed and merged with e-Logi Co., Ltd.
March 2024: Made Azabu Inc. a subsidiary.
Azabu Co., Ltd. became a subsidiary.
August 2024: Muroya Transport Co., Ltd. became a subsidiary
Muroya Transport Co., Ltd. became a subsidiary.
February 2025: Japan Next Retailing Co., Ltd. became a subsidiary
Japan Next Retailing Co., Ltd. became a subsidiary.
April 2025: Edion Co., Ltd. absorbed Sunkyu Co., Ltd. and renamed '100 Man Volt' to 'Edion'
EDION Co., Ltd. absorbed and merged with Thank You Co., Ltd. and changed "100 Manner Volt" to "EDION".