1979 July JustSystems is founded in Tokushima.
1981 June JustSystems Corporation is incorporated
1982 October KTIS (Kana-kanji Transfer Input System) is released
1985 August Ichitaro, word processing software, is released
1988 May Osaka Sales Office is established
1989 June Tokyo Branch Office is established
1991 June Nagoya Sales Office is established
1994 November Fukuoka Sales Office is established
1997 September Head Office relocated to Hiraishiwakamatsu 108-4 Kawauchi-cho, Tokushima (Now the location of the Tokushima head office)
October Over-the-counter shares are listed using the book building process
December ConceptBase Search is released
1999 June Ichitaro Smile, word processing software for elementary schools (currently known as Just Smile) is released
2001 June Online shopping website Just MyShop is launched
2003 April InternetDisk ASP is launched
2006 March Operating division of XMetaL is acquired from Blast Radius and business is transferred to JustSystems Canada Inc.
2009 April Capital and business tie-up agreement concluded with Keyence Corporation
2010 February Obtained program copyrights and trademark rights for Homepage Builder from IBM Corporation
June GDMS launched as a system to address the bloating of file servers
2011 June JUST Office released for enterprises
July Homepage Builder Service, a rental server and customer management service, is released
September Non-programming web database software UnitBase is released
October Self-service questionnaire service Fastask is launched
2012 December SMILE ZEMI Elementary School Student Course is launched
2013 August Tokyo Branch Office changed to Tokyo Head Office due to transfer of head office functions
October Actionista! all-in-one BI tool released
December SMILE ZEMI Junior High School Student Course is launched
2014 February Shares are listed on the First Section of the Tokyo Stock Exchange
2016 July JUST.SFA growth-oriented sales support cloud service is launched
2017 June JUST SMILE DRILL practice drill software for elementary schools is launched
August Sprint, interview services with target audiences by smartphone chats, is launched
September JUST DWH data warehouse for medical institutions is launched
2018 June Just Smile 8, learning and lesson support software for elementary schools, is launched
December SMILE ZEMI Preschool Child Course is launched
2019 June Just Jump 8, learning and lesson support software for Junior High School, is released