A Brief History

March 1909	Mitsui Jizen Hospital was established on the former site of the Imperial University of Tokyo Second Hospital in Kanda Izumi-cho, Chiyoda-ku, Tokyo
April 1919	The Hospital was renamed Izumibashi Jizen Hospital.
July 1943	The Hospital was renamed Mitsui Kose Hospital.
March 1945	The hospital buildings and facilities were destroyed by firebombing.
August 1947	The Hospital resumed medical services after repairing the remaining fire-damaged buildings.
May 1952	The Hospital was reorganized as a social welfare corporation.
April 1970	The Hospital was renamed Mitsui Kinen (Memorial) Hospital. The first-phase construction of hospital facilities (Wards B and C) was completed.
April 1980	The second-phase construction of hospital facilities (Ward D) was completed.
April 1983	The construction of the affiliated nursing school buildings was completed.
August 1993	The construction of the administrative building was completed.
August 1994	The affiliated General Examination Center was established in Sumitomo Corporation’s Kanda Izumi-cho building.
May 2002	The affiliated special nursing home for the elderly, Mitsui Yoko-en, was established in Koto-ku, Tokyo.
March 2004	Mitsui Memorial Hospital Nursing School was closed down.
March 2006	The Hospital’s centennial project (building renovation) was announced.
September 2008	The Inpatient Pavilion was completed.
August 2010	The Outpatient Pavilion was completed.
September 2011	Wards B and C were demolished, and landscaping work was completed. The centennial project was completed.