1930onwards

  • Head office (at the time of establishment) opened
  • Daihatsu Motor / Itami Light Alloy Plant founded
  • Japan World Exposition / Friday Plaza
1930:
Daiichi Mutual Housing founded
1943:
Company name changed to Daiichi Kenchiku
1947:
Company name changed to Daiichi Construction Co.
1956:
Company name changed to Daiichi Construction Industry Co.
1963:
Opened Tokyo Branch Office
Stock listed on the Second Section of the Tokyo and Osaka Stock Exchanges.

1970onwards

  • Daiei Chifune Store opened
  • Akatonbo-hiroba Shopping Center
  • Shin-Kobe Oriental Hotel / OPA
1979:
Formed business alliance with Daiei, Inc.
1982:
Opened Fukuoka Sales Office (now Kyushu Branch)
1985:
Merged with Tatsuno Kaihatsu Co., Ltd. and opened Tatsuno Kaihatsu Office (former Akatonbo-hiroba Shopping Center)
1986:
Okinawa Sales Office opened
1987:
Kobe Sales Office opened
1988:
Sapporo Sales Office opened (now Sapporo Branch)
Head Office moved to Chuo-ku, Kobe City, and integrated into Kobe Sales Office.
1989:
Company name changed to Ichiken Co., Ltd.
Head office relocated to Kobe City and Osaka Sales Office established (now Kansai Branch)

1990onwards

  • Asakusa Rock ‘n’ Rock
  • Fukuoka Dome Sea Hawk Hotel & Resort
  • Kobe Meriken Park Oriental Hotel
1990:
Shares listed on the First Section of the Tokyo Stock Exchange and Osaka Securities Exchange
1994:
Opened Sendai Sales Office and Nagoya Sales Office (now Nagoya Branch)
1996:
Head office operations relocated to Hamamatsucho, Minato-ku, Tokyo

2000onwards

  • Nakauchi Gakuen University of Marketing and Distribution Sciences
  • Wao City Misato Shopping Center
  • QizMALL Ryugasaki
2004:
Capital alliance with Maruhan Corporation
2008:
Head office (registered) location changed to Taito-ku, Tokyo
Delisted from the Osaka Securities Exchange (sole listing on the First Section of the Tokyo Stock Exchange)

2010onwards

  • iTerrace Ochiai-Minami-Nagasaki
  • BMW GROUP Tokyo Bay
  • New government building in Kainan City
2015:
Head office (registered) location changed to Hamamatsucho, Minato-ku, Tokyo
2017:
Hiroshima Sales Office opened
2018:
Hanoi Office (Vietnam) opened

2020onwards

  • Coaska Bayside Stores
  • Fudanotsuji Square
  • HOTEL THE LEBEN OSAKA
2022:
Establishment of Vietnam subsidiary – 「ICHIKEN Vietnam Construction Co.,Ltd.」 / (now Ha noi City Headquarters)
Stock exchange listing transferred to the Tokyo Stock Exchange Prime Market.
2023:
Selected the Standard Market of the Tokyo Stock Exchange
2024:
Kataoka Kogyo Co.,Ltd. becomes a subsidiary.
2025:
Head office operations relocated to Shinagawa, Minato-ku, Tokyo (now Tokyo Headquarters)
Subsidiary「ICHIKEN Vietnam Construction Co.,Ltd.」/Ho Chi Minh City Sales Office opened