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Dai-ichi Sougo-Kan, in 1921
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Tokyo Headquarter Building Built in 1938
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Osaka Headquarter Building constructed by Takenaka Corporation in 1953
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Kanagawa Branch Building built in 1967
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Rebuilt Sogo-kan Building in 1971
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Odakyu Dai-ichi Life building built in 1980
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Sendai Branch Building built in 1985
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Osaka Dai-ichi Life building, built by Takenaka Corporation in 1990
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Hibiya Dai-ichi Life First Building, in 1993, constructed by Shimizu Corporation
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Umeda Building in 1995
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Umeshin Building in 2007 in Osaka
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Sogo-kan 110 Tower in 2012 in Tokyo
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Participating the project of International Mozarteum Foundation