| Date |
History |
| 1992 |
Dec. |
Established Internet Initiative Planning Inc. (Capital: JPY 18 million) |
| Dec. |
Became a founding member of the Internet Society |
| 1993 |
May |
Renamed the corporate name as Internet Initiative Japan Inc. |
| Aug. |
Increased the capital to JPY 100 million |
| Nov. |
Launched IIJ Internet Service |
| 1994 |
Feb. |
Registered as Special Type II Telecommunication Business |
| June |
Increased the capital to JPY 600 million |
| Oct |
Established Internet Initiative Tokai Inc. |
| Dec. |
Established Internet Initiative Kyushu Inc. |
| 1995 |
Jan. |
Established IIJ Media Communications Inc. |
| Mar. |
Established Internet Initiative Chu-Shikoku Inc. |
| Apr. |
Opened Osaka Branch |
| July |
Established Atom Co., Ltd. |
| July |
Established Internet Initiative Hokuriku Inc. |
| Aug. |
Established Internet Initiative Tokai Inc. |
| Nov. |
Established Asia Internet Holding Co.,Ltd. |
| 1996 |
Jan. |
Increased the capital to JPY 750 million |
| Feb. |
Opened Sapporo Branch |
| Mar. |
Established IIJ America Inc. |
| July |
Osaka Branch renamed the Kansai Branch |
| Nov. |
Established IIJ Technology Inc. |
| 1997 |
Sep. |
Established Internet Multifeed Co. |
| 1998 |
Feb. |
IIJ and regional affiliates merged (capital increased to JPY 842 million) |
| Feb. |
Established Net Care, Inc. |
| Mar. |
Increased capital to JPY 1.1 billion |
| Oct. |
Established Crosswave Communications Inc. (It filed corporate reorganization proceedings in August, 2003 and transferred its business operations to NTT Communications Corporation in December, 2003) |
| 1999 |
Aug. |
Listed on the Nasdaq Market (NASDAQ: IIJI) |
| Aug. |
Increased capital to JPY 7,082 million |
| Aug. |
Launched IIJ IPv6 Connectivity Service |
| 2000 |
June |
Established "i-Heart, Inc." in Korea with the Samsung Group |
| 2001 |
May |
Opened Okinawa Office |
| 2002 |
Aug |
Opened Toyota Office |
| 2003 |
June |
Increased capital to JPY 7,765 million |
| Sep. |
Increased capital to JPY 13,765 million |
| 2004 |
Oct. |
IIJ Financial Systems, wholly owned by IIJ Technology started its business by acquiring securities system operations from Yamatane. |
| 2005 |
Oct. |
IIJ Media Communications Inc. transferred its systems integration business to IIJ Technology Inc. and integrated its broadcasting business and application hosting business with IIJ by merger |
| Oct. |
Asia Internet Holding Co., Ltd. merged with IIJ |
| Dec. |
Listed on the Mothers market of the Tokyo Stock Exchange |
| Dec. |
Increased capital to JPY 16,834 million |
| 2006 |
Feb. |
Established "Internet Revolution Inc." with Konami Corporation. |
| Aug. |
Decreased capital to JPY 14,295 million (on non-consodidated basis) |
| Oct. |
Established Net Chart Japan Inc. |
| Dec. |
Listed on the First Section of the Tokyo Stock Exchange |
| 2007 |
Jan. |
Opened Yokohama Office |
| Apr. | Established GDX Japan, K.K. |
| June | Established hi-ho Inc. |
| July | Received a third-party stock allocation of Taihei Computer Co., Ltd. |
| July | Established Trust Networks Inc. |
| 2008 | Apr. | Established On-Demand Solutions Inc. |
| June | Established IIJ Innovation Institute Inc. |
| 2009 | July | Transferred control of IIJ Reserch Laboratry to IIJ Innovation Institute |
| 2010 | Apr. | IIJ Technology absorbed IIJ Financial Systems |
| Apr. | IIJ absorbed IIJ Technology |
| Apr. | Introduced Exective Officer System |