| 1890 |
In 1890 (Meiji 23), acquired the Marunouchi area for 1.28 million yen. |
| 1890-03 |
Mitsubishi president Yanosuke Iwasaki received the surrender of the Marunouchi Army Ministry land and the Kanda Sanzakichō drill ground (over 353,000 m²). |
| 1890-09 |
Establishment of the Marunouchi Architectural Office. |
| 1893-12 |
Establishment of Mitsubishi Joint-Stock Company. |
| 1894 |
In 1894 (Meiji 27), the Tokyo Prefectural Office was completed, and Mitsubishi Building No.1 was constructed, becoming Japan's first office building. |
| 1894-06 |
Completion of the first office building in Marunouchi, the 'First Building'. |
| 1906-07 |
Establishment of the Land Use Division at Mitsubishi Joint-Stock Company. |
| 1911 |
By 1911 (Meiji 44), 13 buildings were constructed, leading to the development of Marunouchi. |
| 1923 |
In 1923, Marunouchi Building was completed and attracted attention as a Tokyo office building. |
| 1923-02 |
Completion of the 'Marunouchi Building'. |
| 1937 |
In 1937 (Showa 12), Mitsubishi Estate separated and became independent, inheriting the architecture division from Mitsubishi Joint Stock Company. |
| 1937-05 |
Company establishment: Received the 'Marunouchi Building', its land ownership, and other land and building operating rights in the Marunouchi area from Mitsubishi Joint-Stock Company with a capital of 15 million yen. |
| 1945 |
In 1945 (Showa 20), Japan surrendered unconditionally, and during the occupation, Marunouchi buildings were seized by the Allied forces. |
| 1945-04 |
The 'Yaesu Building' (completed March 1928, renamed 'Marunouchi Yaesu Building' in 1962) and the same site were received as in‑kind investment from Mitsubishi Headquarters, becoming company property. |
| 1950-01 |
Except for the Marunouchi and Yaesu buildings, the land and building operating rights in the Marunouchi area and elsewhere were returned to Mitsubishi Headquarters, which then established the second company, Yōwa and Kaitei Real Estate Companies, and dissolved them. |
| 1952-05 |
Tadokoro Watanabe was appointed as president and director. |
| 1952-11 |
In November 1952, the New Marunouchi Building was completed, becoming a symbol of the Marunouchi area. |
| 1952-11 |
Completion of the 'New Marunouchi Building'. |
| 1953 |
In 1953 (Showa 28), New Mitsubishi Estate was founded, taking on urban development. |
| 1953-04 |
Yohwa and Kaitō real estate companies merged |
| 1953-05 |
Listed on the Tokyo and Osaka Stock Exchanges |
| 1959 |
From 1959 (Showa 34), the Marunouchi Comprehensive Renovation Plan was implemented, transforming it into a business center combining urban functions and environmental beauty. |
| 1959-07 |
Formulation of Marunouchi comprehensive renovation plan |
| 1960-02 |
Completion of Marunouchi Parking Lot |
| 1962-12 |
Completion of Hokkaido Building |
| 1969 |
Starting in 1969, constructed and sold condominiums across the Greater Tokyo area, and began selling residential land and pre-built houses. |
| 1969-05 |
Watanabe Takejirō appointed Chairman of the Board, Otsu Nakata appointed President, launched |
| 1972-04 |
Established Mitsubishi Estate New York |
| 1972-06 |
Construction of the first phase of Izumi Park Town |
| 1972-12 |
Established Mitsubishi Estate Housing Sales Co., Ltd. (renamed Mitsubishi Estate Real Estate Service Co., Ltd. in April 2007) |
| 1973-11 |
New branches opened in Sapporo, Sendai, Nagoya, and Osaka |
| 1975-05 |
Switched from biannual to annual financial closing |
| 1978 |
Completed in 1978, becoming a pioneering force in urban development. |
| 1978 |
Completed in 1978, the office tower 'Sunshine 60' achieved a height of 240 meters, the tallest in Japan at the time. |
| 1978-10 |
Completion of the Shin-Aoyama Building |
| 1980-06 |
Otsu Nakata appointed Chairman of the Board, Tatsuji Ito appointed President |
| 1981-10 |
Completion of the Hibiya International Building |
| 1983-04 |
Opened Nagoya First Hotel (renamed Royal Park Inn Nagoya in April 2001) |
| 1983-11 |
Established Mec US Inc. |
| 1984-07 |
Established Mitsubishi Estate Homes Co., Ltd. |
| 1986-03 |
Established Mec UK Ltd. |
| 1986-07 |
Announced first consolidated financial results |
| 1986-10 |
New Yokohama office established (reorganized into Yokohama Branch in April 2000) |
| 1987-06 |
President Taro Takagi appointed as President and CEO |
| 1988-01 |
Yokohama Minato Mirai 21 and 25 District Development Plan Announced |
| 1989-04 |
IMS (Tenjin MM Building) operations commenced in Fukuoka |
| 1989-06 |
Royal Park Hotel opened in Hakata, Tokyo |
| 1989-07 |
Hiroshima Park Building completed, Hiroshima Branch (renamed China Branch in April 2000), Kyushu Branch newly established |
| 1990-02 |
Participation announced in London City |
| 1990-04 |
Capital participation in Rockefeller Group Corporation |
| 1990-09 |
Construction started on Midori-en-dai New Town |
| 1993 |
Completed in 1993, it became a symbol of Minato Mirai with a height of 296 meters. |
| 1993-07 |
Akamatsu Park Building completed, Yokohama Landmark Tower completed |
| 1993-09 |
Yokohama Royal Park Hotel opened |
| 1994-06 |
Taro Takagi appointed Chairman of the Board and Takefumi Fukuzawa appointed President |
| 1995-11 |
Announcement of Marunouchi Building reconstruction |
| 1996-01 |
Osaka Amenity Park (OAP) completed |
| 1996-11 |
Head office relocated to Tokyo Building |
| 1998 |
In 1998, began reconstructing Marunouchi, aiming to move beyond a purely business district. |
| 1999-04 |
Construction started on Marunouchi Building |
| 2000-04 |
Implementation of organizational reform (introduction of integrated business headquarters system for affiliated companies, etc.), Aqua City Odaiba opened |
| 2000-11 |
Establishment of Hotel Management Company |
| 2001-04 |
Takefumi Fukuzawa appointed Chairman of the Board and Shigeru Takagi appointed President |
| 2001-06 |
Start of Mitsubishi Jisho Sekkei, a subsidiary specializing in design supervision |
| 2001-09 |
Establishment of Mitsubishi Jisho Investment Advisory Co., Ltd. |
| 2002 |
In 2002, the Marunouchi Building was rebuilt as the 180m supertall 'Marunouchi Building'. |
| 2002-03 |
Implementation of fixed asset revaluation based on the Land Revaluation Law, etc. |
| 2002-09 |
Opening of Marunouchi Building (completed in August) |
| 2003-02 |
Completion of Mitsubishi Trust Bank Head Office Building (renamed Mitsubishi UFJ Trust Bank Head Office Building in October 2005) |
| 2003-03 |
Relocation of head office to Otemachi Building |
| 2003-04 |
Implementation of organizational reform (introduction of executive officer system and establishment of Asset Development Division, etc.) |
| 2003-05 |
Completion of Patanostar Square in London |
| 2003-07 |
Opening of Royal Park Shiodome Tower |
| 2004-09 |
Opening of Marunouchi OAZO (completed in August) |
| 2004-12 |
Capital participation in Towa Real Estate Co., Ltd. |
| 2005-03 |
Start of construction of Shin-Marunouchi Building |
| 2005-06 |
Keiji Kimura appointed as President and CEO |
| 2005-11 |
Opening of Tokyo Building (completed in October) |
| 2007 |
Completed and opened in 2007, marking the end of Stage 1 of the Marunouchi reconstruction. |
| 2007-04 |
Implementation of organizational reform (abolition of business division system, introduction of responsible officer system, etc.), opening of Shin-Marunouchi Building |
| 2007-04 |
Opening of The Peninsula Tokyo (completed in May) |
| 2008-01 |
Consolidation of Towa Real Estate Co., Ltd. as a subsidiary |
| 2008-03 |
Consolidation of Sunshine City Inc. as a subsidiary |
| 2008-04 |
Implementation of organizational reform (introduction of business groups, etc.) |
| 2008-10 |
Establishment of Mitsubishi Estate Asia Co., Ltd. |
| 2009-03 |
Consolidation of Chelsea Japan Co., Ltd. |
| 2009-04 |
Born as the Mitsubishi No.1 Building Museum in April 2009. |
| 2009-04 |
Complete acquisition of Towa Real Estate Co., Ltd. |
| 2009-04 |
Completion of Marunouchi Park Building and Mitsubishi Ichigokan |
| 2009-09 |
Opening of Marunouchi Brick Square |
| 2010-03 |
Construction start of Osaka Station North Area Development Project |
| 2010-04 |
Opening of Mitsubishi Ichigokan Museum |
| 2011 |
Following the lessons of the 2011 Tōhoku earthquake and tsunami, it works on building a disaster‑resistant city. |
| 2011-01 |
Establishment of Mitsubishi Estate Residence Co., Ltd. (integrating housing sales businesses of our company, Mitsubishi Estate Real Estate Service Co., Ltd., and Towa Real Estate Co., Ltd. through company split method) |
| 2011-04 |
Kiyoshi Kimura appointed Chairman of the Board, Hirotaka Sugiyama appointed President |
| 2011-04 |
Establishment of Shanghai Office |
| 2012 |
Completed in 2012. |
| 2012-01 |
Completion of Marunouchi Eiraku Building |
| 2012-10 |
Completion of Otemachi Financial City |
| 2013-04 |
Opening of Grand Front Osaka |
| 2013-04 |
Opening of MARK IS Shizuoka |
| 2013-06 |
Opening of MARK IS Minatomirai |
| 2014-04 |
Integration of Mitsubishi Estate Building Management and Mitsubishi Estate Property Management |
| 2014-12 |
Completion of Singapore CapitaGreen |
| 2015 |
Completed in 2015. |
| 2015-01 |
Acquisition of TA Realty |
| 2015-10 |
Completion of Nagoya Building |
| 2015-11 |
Completion of Otemon Tower and JX Building |
| 2016 |
Completed in 2016. |
| 2016-04 |
|
| 2016-04 |
Completion of Otemachi Financial City Grand Cube |
| 2016-06 |
|
| 2016-06 |
Transition to a company with Nomination Committee, etc. |
| 2017 |
Completed in 2017. |
| 2017-01 |
|
| 2017-01 |
Completion of Otemachi Park Building |
| 2017-04 |
|
| 2017-04 |
|
| 2017-04 |
Chairman of the Board of Directors Sugiyama Hirotaka and President Junichi Yoshida have respectively taken office |
| 2017-04 |
Establishment of the Taiwan Resident Office |
| 2018-01 |
|
| 2018-01 |
Relocation of headquarters to Otemachi Park Building |
| 2018-10 |
|
| 2018-10 |
Completion of Marunouchi Nijubashihiro Building |
| 2019-01 |
|
| 2019-01 |
Establishment of Mitsubishi Estate Indonesia and Mitsubishi Estate Vietnam |
| 2020-09 |
|
| 2020-09 |
Completion of Mizuho Marunouchi Tower, Bank Hall, and Marunouchi Terrace |
| 2021-04 |
|
| 2021-04 |
Merger of Mitsubishi Estate Property Management Co., Ltd. and Mitsubishi Estate Retail Management Co., Ltd. |
| 2021-06 |
|
| 2021-06 |
Completion of TOKYO TORCH Tokiwa Bridge Tower |
| 2028 |
Scheduled to be completed in 2028 as Japan's tallest supertall building, 62 stories and 385m high. |
