| 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. |
