| 1972-02-26 |
Established Denso Corporation in Kita-ku, Osaka City |
| 1972-02-26 |
Established Denso Corporation in Kita-ku, Osaka City |
| 1972-02-26 |
Established Denso Corporation in Kita-ku, Osaka City |
| 1981-11 |
Capital increased to 5 million yen |
| 1981-11 |
Capital increased to 5 million yen |
| 1981-11 |
Capital increased to 5 million yen |
| 1983-11 |
Capital increased to 7 million yen |
| 1983-11 |
Capital increased to 7 million yen |
| 1983-11 |
Capital increased to 7 million yen |
| 1984-11 |
Capital increased to 10 million yen |
| 1984-11 |
Capital increased to 10 million yen |
| 1984-11 |
Capital increased to 10 million yen |
| 1985-05 |
Relocated headquarters building to Edobori, Nishi-ku, Osaka City |
| 1985-05 |
Relocated headquarters building newly built in Edobori, Nishi-ku, Osaka City |
| 1985-05 |
Built and relocated headquarters building in Edobori, Nishi-ku, Osaka City |
| 1987-11 |
Capital increased to 20 million yen |
| 1987-11 |
Capital increased to 20 million yen |
| 1987-11 |
Capital increased to 20 million yen |
| 1988-11 |
Extended the headquarters building |
| 1988-11 |
Expanded headquarters building |
| 1988-11 |
Extended headquarters building |
| 1993-11 |
Capital increased to 30 million yen |
| 1993-11 |
Capital increased to 30 million yen |
| 1993-11 |
Capital increased to 30 million yen |
| 1995-08 |
Established First-Class Architect Office |
| 1995-08 |
Established first-class architect office |
| 1995-08 |
Established First-Class Architect Office |
| 1995-11 |
Capital increased to 50 million yen |
| 1995-11 |
Capital increased to 50 million yen |
| 1995-11 |
Capital increased to 50 million yen |
| 1997-11 |
Built and relocated headquarters building to Shinchō, Nishi-ku, Osaka City |
| 1997-11 |
Capital increase to 54.33 million yen |
| 1997-11 |
Relocated headquarters building newly built in Shinmachi, Nishi-ku, Osaka City |
| 1997-11 |
Capital increased to 54.33 million yen |
| 1997-11 |
Relocated headquarters building to Shinchō, Nishi-ku, Osaka City |
| 1997-11 |
Capital increased to 54.33 million yen |
| 2002-02 |
Opening of Tokyo Branch |
| 2002-02 |
Opened Tokyo branch |
| 2002-02 |
Established Tokyo branch |
| 2002-12 |
ISO 9001 Certification Acquisition |
| 2002-12-26 |
ISO 9001 Certification Acquisition |
| 2002-12-26 |
Obtained ISO 9001 certification |
| 2004-01 |
Opening of Nagoya Sales Office |
| 2004-01 |
Nagoya Sales Office Opening |
| 2004-01 |
Established Nagoya sales office |
| 2006-03 |
ISO 14001 Certification Acquisition |
| 2006-03-15 |
ISO 14001 Certification Acquisition |
| 2006-03-15 |
Obtained ISO 14001 certification |
| 2015-10 |
Introduction of Business Division System [Establishment of West Japan Business Headquarters and East Japan Business Headquarters] |
| 2015-10 |
Business Division System Introduction [Establishment of West Japan Business Headquarters and East Japan Business Headquarters] |
| 2015-10 |
Introduction of business division system [Establishment of West Japan Business Headquarters and East Japan Business Headquarters] |
| 2016-10 |
Nagoya Sales Office upgraded and renamed to Chubu Japan Business Headquarters |
| 2016-10 |
Nagoya Sales Office Upgraded and Renamed to Central Japan Business Headquarters |
| 2016-10 |
Nagoya sales office upgraded and renamed to Chūbu Japan Business Headquarters |
| 2019-06 |
Relocation of headquarters to Osaka City Chuo Ward Shiro-mi, and new Osaka Business Office established in Osaka City Joto Ward Higashi-Nakahama |
| 2019-06 |
Relocation of headquarters to Osaka City Chuo Ward Shiro-mi and new Osaka Business Office established in Osaka City Joto Ward Higashi-Nakahama |
| 2019-06 |
Relocated Headquarters to Johomi, Chuo-ku, Osaka City |
| 2019-06 |
Established Osaka Business Office in Higashinakabacho, Joto-ku, Osaka City |
| 2019-06 |
Relocated headquarters to Shirogane, Chūō-ku, Osaka City |
| 2019-06 |
Established Osaka office in Higashinakabacho, Jōtō-ku, Osaka City |
| 2020-04 |
Integration into Chubu Japan Business Headquarters and West Japan Business Headquarters |
| 2020-04 |
Integration into Chubu Japan Business Headquarters and West Japan Business Headquarters |
| 2020-04 |
Integrated into Central Japan Business Headquarters and West Japan Business Headquarters |
| 2020-04 |
Merged Chūbu Japan Business Headquarters into West Japan Business Headquarters |
| 2022-04 |
Relocation of Tokyo Business Office to Minato Ward, Tokyo |
| 2022-04 |
Relocated Tokyo Business Office to Konan, Minato-ku, Tokyo |
| 2022-04 |
Relocated Tokyo office to Konan, Minato-ku, Tokyo |
| 2022-11 |
ISO/IEC 27001 Certification Acquisition |
| 2022-11-24 |
ISO/IEC 27001 Certification Acquisition |
| 2022-11-24 |
Obtained ISO/IEC 27001 certification |
| 2025-11 |
Relocation of Tokyo Business Office to Kanda Iwamotocho, Chiyoda Ward, Tokyo |
| 2025-11 |
Relocated Tokyo Business Office to Kanda Iwamotocho, Chiyoda-ku, Tokyo |
| 2025-11 |
Relocated Tokyo office to Iwamotocho, Kanda, Chiyoda-ku, Tokyo |
