HISTORY

Founder : Kikuji ISHIMOTO.
He worked as a leading member of the Separatist Architecture Society while he was a student of the Department of Architecture at Tokyo Imperial University.
After graduation, he joined the Design Department of Takenaka Corporation.
He studied at the Bauhaus in Weimar, and sympathized with the new architectural current of thought.
After returning to Japan, he designed the headquarters building of Asahi Shimbun in Sukiyabashi, Tokyo. It is recognized as the monument of the separatist movement.

1927

Kataoka Ishimoto Architectural & Engineering Firm was established with the opportunity of designing Nihonbashi Shirokiya Department Store.

1931

Renamed Ishimoto Architectural & Engineering Firm.

1951

Renamed First-Class Architect Office, Ishimoto Architectural & Engineering Firm, Inc.
Kikuji Ishimoto assumed the posts of Representative Director and Chief, and Yasaji Nagano assumed the posts of Representative Director and Senior Managing Director

1954

Osaka Ishimoto Architectural & Engineering Firm and Hokkaido Ishimoto Architectural & Engineering Firm were established (merged in 1957).

1957

Osaka Branch (current Osaka Office) and Sapporo Branch (current Sapporo Office) were established.

1958

Kikuji Ishimoto was awarded the Medal with Blue Ribbon for his “contribution to the development of modern architectural design.”

1959

Yasaji Nagano assumed the posts of President and Representative Director.

1961

Ishimoto Architectural & Engineering Firm, Fukuoka Office was established.

1963

Founder , Kikuji Ishimoto passed away.

1964

Nagoya Branch (current Nagoya Office) was established.

1973

The Headquarters building as the 45 year anniversary commemorative project was completed.

1975

Sendai Sub-Branch (current Tohoku Office) was established.

1976

Ishimoto Architectural & Engineering Firm, Fukuoka Office was dissolved and the Fukuoka Sub-Branch (current Kyushu Office) was established.

1977

The company history of the 50 year anniversary of the foundation, “50 year trajectory” was compiled.

1984

Seiichi Furuhata assumed the posts of President and Representative Director.

1985

Yokohama Sub-Branch (current Yokohama Office) was established.

1986

K.I. Consultants Co., Ltd. was established.

1987

Celebrated the 60 year anniversary of the founding.
ISHIMOTO AMERICA was established in Portland, Oregon.

1992

ISHIMOTO AMERICA and IDC Japan jointly funded by IDC in the United States.

1997

Celebrated the 70 year anniversary of the founding.
Michio Sugawara assumed the posts of President and Representative Director.
Chugoku Office (current Hiroshima Office) was established.

2001

Shizuoka Office was established.
ISO 9001: 2000 certification acquired.

2005

Michio Sugawara assumed the posts of Chairperson and Representative Director and Makoto Ishii assumed the posts of President and Representative Director.

2007

Celebrated the 80 year anniversary of the founding.

2011

Makoto Ishii assumed the posts of President and Representative Director and CEO.

2012

Celebrated the 85 year anniversary of the founding.

2015

Okinawa Office was established.

2017

Makoto Ishii assumed the posts of Chairperson and Representative Director and CEO.
Masataka Nagao assumed the posts of President and Representative Director and COO.
Celebrated the 90 year anniversary of the founding.

2022

Celebrated the 95 year anniversary of the founding.