Ichiken Co., Ltd. engages in the construction business in Japan. The company is involved in businesses related to architecture, civil engineering, paving, interior finishing work, and other general construction works. It also operates real estate business including real estate sales, leasing and other real estate business activities; and engages in planning, designing, and management of complex commercial facilities and specialty stores. Ichiken Co., Ltd. was formerly known as Daiichi Kensetsu Corporation Ltd. and changed its name to Ichiken Co., Ltd. in 1989. The company was incorporated in 1930 and is headquartered in Tokyo, Japan.