| 2004-04 |
April 2004: Founded as a sole proprietorship |
| 2004-04-01 |
Founded on April 1, 2004. |
| 2004-04 |
Founded as a sole proprietorship. |
| 2004-04-01 |
Founded. |
| 2006-12 |
December 2006: Established A&A Tecnologia Co., Ltd. in Ogaki City, Gifu Prefecture |
| 2006-12-01 |
Established on December 1, 2006. |
| 2006-12 |
Established A&A Tecnologia Co., Ltd. in Ogaki City, Gifu Prefecture. |
| 2006-12-01 |
Established. |
| 2008-08 |
August 2008: Moved headquarters to Marunouchi, Naka-ku, Nagoya, Aichi Prefecture |
| 2008-08 |
Moved headquarters to Marunouchi, Naka-ku, Nagoya City, Aichi Prefecture. |
| 2010-05 |
May 2010: Renamed company to Tobira Systems Inc. |
| 2010-05 |
Changed company name to Tobira Systems Co., Ltd. |
| 2011-02 |
February 2011: Opened Osaka branch office in Kawamachi, Chuo-ku, Osaka |
| 2011-02 |
Opened Osaka branch office in Kawaramachi, Chuo-ku, Osaka City, Osaka Prefecture. |
| 2011-06 |
June 2011: Developed and launched Tobira Phone, a spam call filter aimed at solving the social problem of spam calls |
| 2011-06 |
Developed and launched the spam phone filter 'Tobira Phone' aimed at solving the social problem of nuisance calls. |
| 2012-01 |
January 2012: Signed a memorandum of understanding with Aichi Prefectural Police for a proof-of-concept experiment on special fraud calls. Subsequently, proceeded to sign MOUs with other prefectural police and established a system to receive information on special fraud countermeasures |
| 2012-01 |
Signed a memorandum of understanding with Aichi Prefectural Police regarding a pilot experiment on special fraud calls: subsequently proceeded to sign MOUs with other prefectural police and established a system to receive information on special fraud countermeasures. |
| 2012-03 |
March 2012: Increased capital to 30,000 thousand yen through a third-party allotment |
| 2012-03 |
Increased capital to 30,000 thousand yen through a third-party allotment of shares. |
| 2013-02 |
February 2013: Increased capital to 47,850 thousand yen through a third-party allotment |
| 2013-02 |
February 2013: Signed a spam call database provision agreement with Willcom Inc. (now SoftBank Corp.) |
| 2013-02 |
Increased capital to 47,850 thousand yen through a third-party allotment of shares. |
| 2013-02 |
Signed a contract with Willcom Inc. (now SoftBank Corp.) to provide a nuisance call database. |
| 2013-05 |
May 2013: Opened Tokyo branch office in Shimbashi, Minato-ku, Tokyo |
| 2013-05 |
Opened Tokyo branch office in Shinbashi, Minato-ku, Tokyo. |
| 2014-06 |
June 2014: Signed a memorandum of understanding with McAfee Inc. to provide a telephone number database for the smartphone app 'Anshin Number Check' |
| 2014-06 |
Signed a memorandum of understanding with McAfee Inc. to provide a phone number database for the smartphone app 'Anshin Number Check'. |
| 2015-01 |
January 2015: Changed capital to 50,700 thousand yen by incorporating capital reserves |
| 2015-01 |
Changed capital to 50,700 thousand yen by allocating from the capital reserve. |
| 2015-03 |
March 2015: Signed a memorandum of understanding with the National Police Agency on special fraud calls and established a system to receive information on special fraud countermeasures |
| 2015-03 |
Signed a memorandum of understanding with the National Police Agency regarding special fraud calls and established a system to receive information on special fraud countermeasures. |
| 2015-07 |
July 2015: Began offering the smartphone spam call filter app as part of NTT Docomo Inc.'s 'Anshin Number Check' under the optional 'Anshin Pack' contract |
| 2015-07 |
Launched the smartphone nuisance call filter app as 'Anshin Number Check' by NTT Docomo, included in the optional 'Anshin Pack' contract. |
| 2015-11 |
November 2015: Moved headquarters to Nishiki, Naka-ku, Nagoya, Aichi Prefecture. November 2015: Moved Osaka branch office to Tenjinbashi, Kita-ku, Osaka |
| 2015-11 |
November 2015: Began offering the feature phone spam call filter app as SoftBank Corp.'s 'Spam Call Block' |
| 2015-11 |
Moved headquarters to Nishiki, Naka-ku, Nagoya City, Aichi Prefecture. |
| 2015-11 |
Moved Osaka branch office to Tenjinbashi, Kita-ku, Osaka City, Osaka Prefecture. |
| 2015-11 |
Launched the feature phone nuisance call filter app as 'Moe Phone Block' by SoftBank Corp. |
| 2016-02 |
February 2016: Launched the smartphone app "Tobirafon Mobile for au" through KDDI Corporation's au Smart Pass platform. |
| 2016-02 |
Launched the smartphone app 'Tobira Phone Mobile for au' through KDDI Corp.'s au Smart Pass platform. |
| 2016-11 |
November 2016: Introduced the smartphone spam call filter app as "Spam Call Block" by SoftBank Corporation, included in the optional contracts "iPhone Basic Pack" and "Smartphone Basic Pack". |
| 2016-11 |
Launched the smartphone nuisance call filter app as 'Moe Phone Block' by SoftBank Corp., included in the optional contracts 'iPhone Basic Pack' and 'Smartphone Basic Pack'. |
| 2017-04 |
April 2017: Started selling a spam call filter for Home Gateway optical telephone as "安心電話着信サービス" by Chubu Telecommunications Co., Ltd., included in the optional contract "Optical Telephone Add-On Service Discount Pack Plus". |
| 2017-04 |
April 2017: Moved the Tokyo branch to Marunouchi, Chiyoda-ku, Tokyo. |
| 2017-04 |
Launched the nuisance call filter for Home Gateway fiber phone as 'Anshin Phone Reception Service' by Chubu Telecommunications Co., included in the optional 'Fiber Phone Add-On Service Discount Pack Plus' contract. |
| 2017-04 |
Moved the Tokyo branch to Marunouchi, Chiyoda-ku, Tokyo. |
| 2017-06 |
June 2017: Started selling the business spam call filter "Tobirafon Biz for Optical Line". |
| 2017-06 |
Started selling the corporate spam call filter 'Tobirafon Biz for fiber lines'. |
| 2017-12 |
December 2017: Launched the spam call filter app for NTT Docomo iPhone as "安心ナンバーチェック" by NTT Docomo Inc., included in the optional contract "安心パック". |
| 2017-12 |
Introduced a spam call filter app for Docomo mobile phones (iPhone) as NTT Docomo's 'Anshin Number Check', included in the optional 'Anshin Pack' contract. |
| 2018-03 |
December 2017: Introduced the spam call filter for Home Gateway optical telephone as "Spam Call Incoming/Outgoing Block" by KDDI Corporation, included in the optional contract "Telephone Option Pack EX". |
| 2018-03 |
Launched a spam call filter for Home Gateway fiber phone as KDDI's 'Spam Call Block', included in the optional 'Phone Option Pack EX' contract. |
| 2019-04 |
April 2019: Listed on the Tokyo Stock Exchange Mothers market (ticker: 4441). |
| 2019-04 |
Listed on the Tokyo Stock Exchange Mothers market (ticker: 4441). |
| 2020-01 |
January 2020: Moved and expanded the headquarters office within the same building. |
| 2020-01 |
Expanded and relocated the headquarters office within the same building. |
| 2020-03 |
March 2020: Started selling the cloud-based business forensics service "Tobirafon Cloud". |
| 2020-03 |
Started selling the cloud-based business phone service 'Tobirafon Cloud'. |
| 2020-04 |
April 2020: Designated to the First Section of the Tokyo Stock Exchange. |
| 2020-04 |
Designated to the First Section of the Tokyo Stock Exchange. |
| 2021-08 |
August 2021: Fully acquired LLC 280blocker as a subsidiary. |
| 2021-08 |
Made G.K. 280blocker a wholly-owned subsidiary. |
| 2021-09 |
September 2021: Started a capital and business alliance with Ageet Inc. |
| 2021-09 |
Commenced a capital and business partnership with ageet Inc. |
| 2021-10 |
October 2021: Absorbed and merged LLC 280blocker. |
| 2021-10 |
Absorbed G.K. 280blocker through merger. |
| 2022-01 |
January 2022: Launched the AI-powered sales tool "Talk Book" that visualizes sales talk. |
| 2022-01 |
Started selling the AI-powered sales tool 'Talk Book' that visualizes sales talk. |
| 2022-04 |
April 2022: Transitioned to the Tokyo Stock Exchange Prime market. |
| 2022-04 |
Transitioned to the Prime market of the Tokyo Stock Exchange. |
| 2023-10 |
October 2023: Transitioned to the Tokyo Stock Exchange Standard market. |
| 2023-10 |
Transitioned to the Standard market of the Tokyo Stock Exchange. |
