1983 Feb. Established as Nissho-Iwai Computer Systems Inc., wholly owned subsidiary of Nissho-Iwai Corporation

1987

June Changed name to Nissho-Iwai Infocom Systems Inc.

1999

Apr. Changed name to Nissho-Iwai Infocom Inc.
Established Infocom Services Inc. (presently consolidated subsidiary Infocom East Japan Corporation)

2000

Apr. Changed name to Infocom Corp.

2001

Mar. Relocated the head office to Kanda Surugadai, Chiyoda-ku, Tokyo
Apr. Merged with Teijin Systems Technology, wholly owned subsidiary of Teijin Limited
June Established Infocom America Inc. in the United States (presently consolidated subsidiary) 
Oct. Changed name of consolidated subsidiary TST System Inc. to Infocom West Japan Corporation

2002

Mar. Listed shares for trading on the over-the-counter market (presently the JASDAQ (standard) market of the Tokyo Stock Exchange)

2003

Oct. Established Infovec Inc. (presently consolidated subsidiary Grandit Corporation)

2004

Dec. Listed shares for trading on the JASDAQ securities exchange

2005

Dec. Converted LogIT Corporation to a consolidated subsidiary (presently consolidated subsidiary)

2006

Mar. Owned the data center in Yokohama City
Oct. Converted Demain Corporation to an equity-method affiliate (presently consolidated subsidiary)

2008

July Relocated headquarters to Jingumae, Shibuya-ku, Tokyo

2010

Apr. Listed shares for trading on the JASDAQ market of the Osaka Securities Exchange
Oct. Listed shares for trading on the JASDAQ (standard) market of the Osaka Securities Exchange

2013

Apr. Established Net Business Establishment Preparation Co., Ltd. (presently consolidated subsidiary Amutus Corporation)
Acquired Radiology Division System Business from AJS Inc.
July Listed shares for trading on the JASDAQ (standard) market of the Tokyo Stock Exchange
Established Iwanuma Minna no Ie (Iwanuma City, Miyagi Pref.) 
Sep. Established Infomythos Co., Ltd.
Oct. Amutus Corporation launched operations

2014

Mar. Converted Demain Corporation to consolidated subsidiary (presently consolidated subsidiary)
May Established Everysense, Inc. by joint investment
Aug. Established Fenox Infocom Venture Company V, L.P. in the United States (presently consolidated subsidiary)

2015

Nov. Formed business and equity alliance with Solasto Corporation; entered the comprehensive regional care and nursing care sector

2016

Jan. Converted Bevy Inc. to an equity-method affiliate (presently equity-method affiliate)

2017

Aug. Sold the data center in Yokohama City
Oct. Established PT. GnB Accelerator Asia in Indonesia

2018

Nov. Changed listing of shares to the First Section of the Tokyo Stock Exchange
2019 Apr. Merged Infomythos Co., Ltd.