| April 1999 |
e-Map Inc. founded by ZENRIN Co., Ltd., Dai Nippon Printing, and Hakuhodo. |
| July 1999 |
e-Map services launched. |
| April 2000 |
ZENRIN DataCom Co., Ltd. founded in Nishi-Kanda, Chiyoda-ku (by ZENRIN Co., Ltd. as a 100% shareholder). |
| June 2000 |
Launch of mobile map services. |
| December 2000 |
ZENRIN DataCom Co., Ltd. merges with e-Map Inc.; headquarters relocated to Ebisu, Shibuya-ku. |
| March 2001 |
Third-party allocation of shares (451,000,000 JPY in paid-in capital). |
| April 2001 |
Launch of free map site service. |
| December 2001 |
Launch of map software for PC. |
| October 2002 |
Relocation of headquarters to Marunouchi, Chiyoda-ku. |
| December 2002 |
Third-party allocation of shares (566,500,000 JPY in paid-in capital) |
| October 2003 |
Unification of free map site service and map software services for PCs under the "Its-mo" brand. |
| April 2005 |
Third-party allocation of shares (596,500,000 JPY in paid-in capital). |
| October 2005 |
Launch of "Pedestrian Navigation Service." |
| March 2006 |
Third-party allocation of shares (806,500,000 JPY in paid-in capital). |
| October 2006 |
Launch of "Pinpoint Weather" service. |
| June 2007 |
Third-party allocation of shares (1,010,500,000 JPY in paid-in capital). |
| February 2008 |
Launch of "Drivers station" service. |
| April 2009 |
Absorption-type company split of Boford Japan, which changed its name to ZENRIN PROMO Co., Ltd. and became a subsidiary of ZENRIN DataCom. |
| May 2009 |
Unification of all consumer services under the "Its-mo NAVI" brand. |
| July 2009 |
Acquisition of Knockin'on, Inc., making it a subsidiary of ZENRIN DataCom. |
| September 2009 |
Third-party allocation of shares (current capital). |
| April 2010 |
Relocation of the headquarters to the current location. |
| June 2010 |
Unification of the "e-Map" corporate services under the "Its-mo NAVI" brand. |
| July 2010 |
Launch of the "Nationwide Local Gourmet Food" service. |
| October 2010 |
Change of service name on NTT Docomo to "Docomo MapNavi powered by Its-mo NAVI." |
| January 2011 |
Launch of the "Its-mo NAVI" service for Android. |