Why you should experience Mitsubishi Ichigokan Museum in Tokyo, Japan.
Mitsubishi Ichigokan Museum is an elegant art museum where Marunouchi's commercial origins, Meiji architecture and European modernism converge inside a meticulous reconstruction of the district's first Western-style office building.
Set along Marunouchi Naka-dori near Babasaki-dori and just steps from Marunouchi Brick Square, the red-brick building encloses intimate galleries around a planted courtyard, creating a deliberate shift in scale from the glass towers surrounding it. Arched windows, brick masonry, slate roofs and compact rooms recover the architectural language that once defined Mitsubishi's earliest Marunouchi development, while the galleries favor focused exhibitions whose scale suits the building's domestic proportions. Café 1894 occupies the former banking hall with double-height ceilings and reconstructed teller counters, allowing the architecture to remain part of the museum experience beyond the galleries. The result gives Marunouchi an unusually tangible connection with its nineteenth-century beginnings, placing art inside a building that physically reconstructs the moment the district began becoming Japan's principal corporate center.
What you should know about Mitsubishi Ichigokan Museum.
Mitsubishi Ichigokan Museum is best known for reconstructing Mitsubishi Ichigokan, the 1894 office building designed by British architect Josiah Conder as the first structure in Mitsubishi's systematic development of the Marunouchi business district. Mitsubishi acquired roughly 35 hectares of former military land from the Meiji government in 1890 for 1.5 million yen, and Conder designed Ichigokan with red brick, stone trim and Queen Anne-influenced forms before Mitsubishi developed a sequence of similar buildings along Babasaki-dori. The resulting streetscape became known as Iccho London, or London Block, reflecting the conspicuously British architectural character introduced into a district previously occupied by daimyo residences and military facilities. The original Ichigokan survived the 1923 Great Kanto Earthquake and wartime bombing before Mitsubishi Estate demolished it in 1968, ending 74 years of continuous presence at the site.
Mitsubishi Estate announced the building's reconstruction as part of the Marunouchi Park Building development and rebuilt it using approximately 2.3 million specially manufactured bricks, historical drawings, photographs, Meiji-period survey documents and surviving architectural evidence before completion in 2009. Mitsubishi Ichigokan Museum opened on April 6, 2010 under founding director Akiya Takahashi, establishing a program focused principally on late nineteenth-century Western art corresponding with the era of the original building. The museum's collection developed particular strength in Henri de Toulouse-Lautrec through more than 200 posters, prints and related works acquired from the former collection of Maurice Joyant, the artist's close friend, dealer and biographer. A major renovation closed the museum from April 2023 until November 2024, when it reopened with upgraded building systems and galleries while preserving the reconstructed architectural structure that makes the institution inseparable from Marunouchi's own history.
How to fold Mitsubishi Ichigokan Museum into your trip.
Mitsubishi Ichigokan Museum works naturally as the opening to a Marunouchi afternoon tracing how Meiji modernization reshaped architecture, collecting and civic culture around the Imperial Palace, moving from Conder's reconstructed commercial architecture toward two institutions rooted in the same transformation.
Begin at Meiji Seimei Kan, completed in 1934 by Shinichiro Okada with a grand Corinthian colonnade and designated an Important Cultural Property in 1997, where its banking-era interiors extend the walk into the architectural confidence Marunouchi developed after Conder's pioneering brick offices. Continue to Seikado Bunko Art Museum, founded from the collection assembled by Mitsubishi's second president Yanosuke Iwasaki and his son Koyata, whose holdings encompass approximately 200,000 classical books and 6,500 East Asian artworks, including Yohen Tenmoku tea bowls designated National Treasures. Conclude at The National Museum of Modern Art, Tokyo, established in 1952 as Japan's first national art museum and moved to Kitanomaru in 1969, where a collection exceeding 13,000 works charts Japanese artistic experimentation from the Meiji period forward. The progression moves from Conder's architecture through Okada's mature Marunouchi classicism and the Iwasaki family's collecting into Japan's national account of modern art, revealing how architecture, corporate patronage and artistic modernization developed together around the Imperial Palace.
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