| 1984-06 |
Established Applied Technology Co., Ltd. with a capital of 20 million yen in Kita-ku, Osaka, primarily for engineering solution services. |
| 1989-04 |
Opened a preparatory office for establishing the Tokyo branch. |
| 1989-09 |
Completion of the Applied Technology headquarters building. |
| 1991-03 |
Recognized as a system integrator company by the Ministry of International Trade and Industry (now Ministry of Economy, Trade and Industry). |
| 1992-04 |
Completion of the Koubaichō Technology Center. |
| 1992-10 |
Established the Tokyo office (now Tokyo Office) in Chuo-ku, Tokyo. |
| 1995-12 |
Established the Tenroku Technology Center. |
| 1996-11 |
Established OGI AITEC Services Co., Ltd. with a capital of 20 million yen in Kita-ku, Osaka, primarily for system construction support and maintenance services. |
| 1997-10 |
Established the Fukuoka office in Hakata-ku, Fukuoka City. |
| 2000-12 |
Established a local subsidiary, Beijing Apte Applied Technology Co., Ltd., in Beijing, China, with a capital of 150,000 US dollars, to secure overseas production facilities. |
| 2001-01 |
Registered for the metrology certification business with the Governor of Osaka Prefecture in accordance with the Metrology Act. |
| 2002-04 |
Registered shares on the over-the-counter market of the Japan Securities Association (now the Tokyo Stock Exchange JASDAQ Standard market). |
| 2004-02 |
Implemented a third-party allotment of additional capital with Trans Cosmos Co., Ltd. |
| 2004-04 |
Moved the Tokyo office from Chuo-ku, Tokyo to Shibuya-ku, Tokyo. |
| 2004-06 |
Absorbed and merged with OGI Techno Service Co., Ltd. |
| 2005-01 |
Merged with Mac Interface Inc. |
| 2005-03 |
Closed the Fukuoka branch office. |
| 2005-10 |
Closed Beijing Apte Applied Technology Co., Ltd. |
| 2006-07 |
Moved the headquarters from Kita-ku, Osaka to Shibuya-ku, Tokyo. |
| 2006-09 |
Moved the Tokyo office from Shibuya-ku to Bunkyo-ku, Tokyo. |
| 2007-01 |
Established Transcosmos Technologies Inc. (consolidated subsidiary) through a corporate split. |
| 2007-01 |
Moved the headquarters from Shibuya-ku, Tokyo to Kita-ku, Osaka. |
| 2007-01 |
Established Transcosmos Technologies Inc. (consolidated subsidiary) through a corporate split. Moved the headquarters from Shibuya-ku, Tokyo to Kita-ku, Osaka. |
| 2008-05 |
Registered as a Class 1 architectural firm with the Governor of Osaka Prefecture. |
| 2009-12 |
Sold Transcosmos Technologies Inc. |
| 2015-06 |
Moved the headquarters to 4-12, Nakazaki Nishi 2-chome, Kita-ku, Osaka, Umeda Center Building. |
| 2021-09 |
Established a Fukuoka office in Hakata-ku, Fukuoka City. |
| 2022-04 |
Transitioned to the Tokyo Stock Exchange Standard market following a review of market classifications by the Tokyo Stock Exchange. |
| 2025-09 |
Closed the Fukuoka office. |
