|1968 Sep||Begin operation in Shinjuku, Tokyo.|
|1969 Mar||Company established with a capital of 2,000,000 yen.(Company President Masaru Nemoto)|
|1970 Mar||Nobuo Nemoto signs as new Company President.
Established Fontaine (Co) in Osaka as a sales company for their new product Fontaine wig made by Kaneka (Co).
|Aug||Kaneka (Co) receives all stock and changes the company name to Fontaine (Co).|
|1979 Jan||Fontaine established, inherits business from the old Fontaine (Co)|
|Jul||First corporate body established in the United States as Aderans Corporation of America.|
|1985 Aug||Fontaine Co made into its subsidiary.|
|Sep||Stock registered in the Japan Securities Dealers Association.|
|1986 Oct||Aderans Thailand established.|
|1987 Jan||Listed in Tokyo Stock Exchange 2nd Section.
Capital: 7,088,000,000 yen
|May||Company President Haruo Ookita|
|Jun||Made International Hair Goods Co into its subsidiary.|
|1988 Mar||Main office construction completed.|
|Dec||Listed in Osaka Stock Exchange 2nd Section.|
|1989 Mar||Made Rene of Paris Co into its subsidiary.|
|1990 Jan||Aderans Taiwan established.|
|Apr||Started expanding into women-only salons.|
|1992 Jan||Aderans Europe established.|
|Mar||Made the companies listed below into its subsidiaries. Gesmofra (Now the Aderans France office)
|Sep||World Quality Co established.|
|1994 Mar||Made Van Nooijen into its subsidiary.|
|Nov||Aderans Holding Co (Now the Aderans America Holding Co) established.|
|Dec||Fontaine Co stock registered to the Japan Securities Dealers Association.|
|1995 May||Company President Takayoshi Okamoto, Chairman Nobuo Nemoto|
|1996 May||Simpli Craft Co established.|
|Sep||Merger with Aderans Kogei Co.|
|1997 May||Aderans Siam established.|
|Jun||First "Satellite Shop" opens in Kisarazu.|
|Aug||Stock now sold in 100s and 1000s units rather than individually.
Listed in the First Section in both Tokyo Stock Exchange and Osaka Stock Exchange. Capital: 12,276,000,000 yen.
|Oct||Monfea Moden obtains the business rights to Wittmann, Weiss & Bauer G.m.b.H.|
|1998 Mar||"30 year celebration" tales place.
Makes New Concept Co into its subsidiary.
|Sep||Makes General Wig Co into its subsidiary.|
|Nov||Fontaine gets listed in the 2nd Section of the Tokyo Stock Exchange.|
|1999 Sep||World Quality Co and Aderans Thai obtains ISO-9001-14001.|
|Oct||Tokyo Hair Beauty School established.|
|2000 May||Aderans Korea established.|
|Dec||Starts a new salon business.|
|2001 Apr||ADN Co established. (Merger between Nakajo Golf Club Co and Aderans Planning Co.)
Aderans Co (Now the Aderans Retailing Co) established.
|Aug||Made Bosley Medical Institute (now Bosley), Starling Accommodations Co, and Bosley Medical Canada Co into its subsidiaries.|
|Dec||Japanese Conference of Hair Business (Nihon Mouhatsugyo Kyougikai or NMK) is started. Registered.|
|2002 Jan||Aderans Philippine established.|
|May||Made Trend Co into its subsidiary.|
|Jun||Aderans Research Institute established.|
|Sep||Aderans Singapore established.|
|2003 Jun||Due to the incorporation of the NMK, it is now known as Japan Conference of Hair Business.|
|Dec||Acquires Fontaine KK as subsidiary (stock delisted)|
|2004 Feb||Chairman CEO Takayoshi Okamoto
Company President COO Katsuji Tokumaru
|2005 Jan||Made Carl M Lundh Co into its subsidiary.|
|Dec||Aderans Shanghai established.|
|2007 Mar||Bosley International Holdings Co established.|
|May||Bosley Mexico Co established.|
|Jul||Aderans Medical Holdings Co established.|
|Aug||Made MHR Co into its subsidiary.|
|Sep||Due to a spin-off, Takayoshi Okamoto is assigned to be the Company
President of Aderans Holding (Aderans Co before) and Katsuji Tokumaru is assigned to be the Company President of Aderans Co (new).
|2008 Feb||HT Support Service Co established.|
|Aug||Aderans Holdings Co Company President Kiyoshi Hayakawa|
|2009 Jun||Aderans Holdings Company President: Nobuo Watabe|
|Nov||Aderans Hair Goods Co established (Integration of International Hair Goods Co, New Concept Co, General Wig Co, Rene of Paris Co, and Aderans Retailing Co.)|
|Dec||Aderans Holdings Company President and COO Tadao Otsuki.|
|2010 May||Bosley absorbs MHR Co and Aderans Medican Holding Co.
Aderans Holdings Company President and CEO, Tadao Otsuki.
|Sep||Aderans Holdings integrates Aderans Co and Fontaine Co and changes the name to Unihair Co., Ltd.|
|2011 Feb||Unihair Company Chairman and President, Nobuo Nemoto.|
|Jul||Unihair changes the name to Aderans Co., Ltd.|
|2012 Sep||Made Le Nouvel Espace Beauté SA into its subsidiary.|
|2013 Apr||Made HC (USA) Inc. into its subsidiary.|
|2014 May||Aderans Lao Co., Ltd. established.|
|2016 Jul||Brought Reizvoll Co., Ltd. under consolidation.|
|Oct||Brought Hi-Net Co., Ltd. under consolidation.|
|2017 Feb||Stock delisted.|
|2017 Mar||Chairman CEO Nobuo Nemoto President COO Yoshihiro Tsumura Aderans Medical Research Co., Ltd. established.|
|2018 Feb||Aderans Total Hair Solution S.L established.