| 1999-11 |
Established Interspace Inc. with capital of 10 million yen at 7-3-10 Nishi-Shinjuku, Shinjuku-ku, Tokyo |
| 2001-03 |
Started operation of affiliate service "AccessTrade" |
| 2003-05 |
Relocated to 6-28-12 Shinjuku, Shinjuku-ku, Tokyo |
| 2003-11 |
Started operation of price comparison site "Best Price" (closed in June 2011) |
| 2004-09 |
Relocated to 7-22-36 Nishi-Shinjuku, Shinjuku-ku, Tokyo |
| 2006-09 |
Listed on Tokyo Stock Exchange Mothers Market |
| 2007-01 |
Relocated to 2-4-1 Nishi-Shinjuku, Shinjuku-ku, Tokyo |
| 2007-07 |
Launched call charge-based advertising service "I-CY/PayPerPhone" (sold in February 2010) |
| 2007-08 |
AccessTrade partner sites exceeded 100,000 |
| 2007-10 |
Acquired business of CGM-type parenting support site "Mama Stadium" |
| 2007-11 |
Acquired all shares of Onion Newspaper Co., Ltd. and made it a subsidiary (sold in August 2011) |
| 2008-09 |
Acquired all shares of One Step Forward Co., Ltd., operator of mobile auction site "Super Girls Auction," and made it a subsidiary (sold in March 2011) |
| 2008-10 |
Launched real store-based affiliate service "Storefront Affiliate" |
| 2008-10 |
Started SEO service "iSEO" for performance-based search engine optimization |
| 2009-12 |
Founded "Mobile Affiliate Council" jointly by DeNA Co., Ltd., Adways Inc., and Interspace Inc. |
| 2010-04 |
Launched social app performance-based advertising "i-Reward" |
| 2011-02 |
Acquired shares of more games Inc. and became a group company, entering the social app business (sold in September 2015) |
| 2011-05 |
Established a liaison office in Beijing, People's Republic of China (closed in March 2014) |
| 2011-07 |
Founded Cyber Advertising Corporation |
| 2011-11 |
Launched the smartphone user identification advertising delivery system "iSmad" |
| 2012-06 |
Launched the comprehensive display advertising platform "Accesstrade DSP" to maximize advertising effectiveness |
| 2012-08 |
Started operations of the local subsidiary "Aisokutoku (Shanghai) Advertising Co., Ltd." in Shanghai, People's Republic of China |
| 2012-09 |
Launched the information site "Mama Star ☆ Select" which carefully selects parenting, husband, family, and mom friends advice and useful information |
| 2013-07 |
Established a local subsidiary "PT. INTERSPACE INDONESIA" in Jakarta, Republic of Indonesia |
| 2013-08 |
The monthly active users of Japan's largest mom community site "Mama Stadium" exceeded 1 million |
| 2013-09 |
Released the global version of the affiliate service "ACCESSTRADE" |
| 2013-09 |
Started the pre-registration service for new app "RocketStart" (closed in August 2015) |
| 2014-02 |
Launched the ad network service for smartphone apps "ACCESSTRADE Ad Network Kit" |
| 2014-06 |
The monthly users of Japan's largest mom community site "Mama Stadium" exceeded 2 million |
| 2014-08 |
Established JY Solution Inc. and currently serving as President and CEO. |
| 2014-09 |
Relocated Osaka office to 1-8-2, Nishiku, Osaka-shi, Osaka |
| 2015-04 |
Established a joint venture "INTERSPACE VIETNAM CO.,LTD." in Hanoi, Vietnam |
| 2015-05 |
Japan's largest mom community site "Mama Stadium" official Facebook page surpassed 100,000 likes |
| 2015-06 |
The monthly users of Japan's largest mom community site "Mama Stadium" exceeded 3 million |
| 2015-10 |
Established a local subsidiary "WITH MOBILE PTE.LTD." in Singapore |
| 2015-10 |
Launched the fashion and lifestyle information service "saita PULS" as a joint project with Seven & I Publishing Co., Ltd. |
| 2016-02 |
The monthly users of Japan's largest mom community site "Mama Stadium" exceeded 5 million |
| 2016-12 |
Relocated Niigata office to 1-1 Sasaguchi, Chuo-ku, Niigata City, Niigata Prefecture |
| 2017-09 |
Started a business alliance with CJ Affiliate, a world-class American affiliate platform. |
| 2017-10 |
Launched the service of yoga & beauty online news media "Yoga Journal Online" as a joint project with Seven & I Publishing Co., Ltd. |
| 2018-04 |
Established Storefront Inc. |
| 2019-02 |
Established Malaysia local subsidiary "Interspace Digital Malaysia Sdn. Bhd." and launched the "ACCESSTRADE" service. |
| 2019-02 |
Launched "Mama Start Hoiku" to help find nursery schools on Japan's largest mom-oriented information site "Mama Stadium". |
| 2019-05 |
Released "Postpartum Karuta - Some Things Are Real! -" depicting the murmurs of mothers after childbirth and postpartum. |
| 2019-07 |
Launched the "ACCESSTRADE" service at Singapore local subsidiary "INTERSPACE DIGITAL SINGAPORE PTE.LTD.". |
| 2020-02 |
Acquired the license for the Japanese version of yoga magazine "Yoga Journal". |
| 2020-04 |
Acquired all shares of Unite Project Inc. and made it a subsidiary. |
| 2021-12 |
External director of Conversion Technology Inc. (currently Subscription Factory Inc.). |
| 2022-06 |
External auditor of our company. |
| 2022-12 |
External director and audit and supervisory committee member of JCD Solution Inc. (currently Top Hills Inc.). |
| 2023-01 |
Released cloud backup service "Pocket Backup". |
| 2023-04 |
Acquired the business of website improvement tool "Kenka". |
| 2023-10 |
Released nuisance call prevention and phone number recognition service "Darekana Block". |
| 2024-12 |
Founded our company and currently serving as President and CEO. |