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- 1963 Dec.
- Toshin Development Co., Ltd. Established. Promote the Basic Concept of SC Development
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- 1969 Nov.
- Tamagawa Takashimaya S・C Opened
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- 1977 Oct.
- Tamagawa Takashimaya S・C South Building Opened
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- 1983 Apr.
- Merged with Keiyo-kogyo Co., Ltd. (Kashiwa Rose Town)
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- 1989 Jun.
- Established Toshin General Create Co., Ltd.
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- Established a Subsidiary in Singapore (now known as TOSHIN DEVELOPMENT SINGAPORE PTE. LTD.)
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- 1990 Jul.
- Established Singapore Branch Office
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- 1992 Apr.
- Kashiwa Takashimaya Station Mall Opened
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- 1993 Oct
- Singapore Takashimaya S.C. Grand Opening
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- 1995 Nov.
- Made The Tamagawa Institute., Ltd. into a Subsidiary
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- 1998 Jun.
- Tamagawa Takashimaya S・C “Garden Island” Building Opened
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- 2000 Nov.
- Tamagawa Takashimaya S・C “Keyaki Court” Opened
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- 2001 Apr.
- Tamagawa Takashimaya S・C “Marronnier Court” Opened
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- 2003 Sep.
- Tamagawa Takashimaya S・C South Building Reopened after Expansion and Renovation
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- Nov.
- Entire Building of Tamagawa Takashimaya S・C Reopened after Renovation
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- 2004 Sep.
- “Yanagikoji” at the Back of South Building of Tamagawa Takashimaya S・C Opened
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- 2005 Mar.
- Management of Shinjuku Takashimaya Times Square Specialty Stores Commenced / “Tachikawa Garden Tables” Reopened after Renovation
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- May.
- Operation of Takashimaya Higashi Bekkan Started
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- Nov.
- Konandai Grass Court Opened
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- 2006 Mar.
- Wakaba Keyaki Mall Opened
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- 2007 Mar.
- Nagareyama Otakanomori S・C Opened / Shinjuku Takashimaya Times Square “Restaurants Park” Reopened after Renovation
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- Apr.
- Namba Parks T-terrace by TAKASHIMAYA GROUP Opened
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- Aug.
- Joint-Management of Hataka Riverain “eeny meeny miny mo” Commenced
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- 2008 Apr.
- Established Vietnam Representative Office
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- Oct.
- Kashiwa Takashimaya Station Mall New Building Opened
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- 2009 Apr.
- “Yanagikoji-Nishikicho” at the Back of South Building of Tamagawa Takashimaya S・C Opened
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- Nov.
- Tamagawa Takashimaya S・C Reopened after Renovation for its 40th Anniversary
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- 2010 Mar.
- Transferred the business of Singapore Branch to TOSHIN DEVELOPMENT SINGAPORE PTE. LTD.
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- 2012 Feb.
- Acquired 100% Real Estate Trust Beneficiary Rights of Hataka Riverain“eeny meeny miny mo”
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- Participated in Multi Development Project “Saigon Centre” (Ho Chi Minh City, Vietnam)
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- 2013 Mar.
- NAGAREYAMA OTAKANOMORI GARDENS “Hanamizuki Terrace” Opened
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- 2014 Mar.
- Tamagawa Takashimaya S・C ”Ivy’s Place” Building Opened / Nagareyama Otakanomori Shopping Center ANNEX Building Opened
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- 2015 Apr.
- NAGAREYAMA OTAKANOMORI GARDENS “Komorebi Terrace" Opened
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- Jun.
- Hakata Riverain “eeny meeny miny mo” Renamed to "Hakata Riverain Mall by TAKASHIMAYA"
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- Sep.
- Collective Management of Commercial Zone in Tachikawa Takashimaya Building Commenced
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- 2016 Mar.
- Made Fashion Plaza Sunroser Co., Ltd. into a Subsidiary
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- Jul.
- Saigon Centre Opened (Ho Chi Minh City, Vietnam)
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- Sep.
- Collective Management of Shinjuku Takashimaya Times Square Commenced
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- 2018 Sep.
- Nihombashi Takashimaya S.C. Opened
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- Oct.
- Tachikawa Takashimaya S.C. Opened (Expanded the part of specialty stores and opened as shopping center)
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- Nov.
- Nagareyama Otakanomori “Kokage Terrace” Opened / “Yanagikoji- Minamikado”at the back of South Building of Tamagawa Takashimaya S・C Opened
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- Dec.
- Acquired Majority Stake of A&B Tower (Ho Chi Minh City, Vietnam)
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- 2019 Sep.
- Tamagawa Takashimaya S・C Reopened after Renovation for its 50th Anniversary
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- Nov.
- Acquired Indochina Plaza Hanoi (Hanoi City, Vietnam)
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- 2020 Jan.
- Takashimaya Higashi Bekkan Renovated/ Citadines Namba Osaka (Hotel) Opened
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- Jan.
- Konandai Glass Court Closed Down
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- Feb.
- Merged with T&T Co., Ltd
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- Jul.
- Community Food Hall Osaka Nipponbashi in Takashimaya Higashi Bekkan Opened
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- Dec.
- Established SLUC COMPANY LIMITED
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- 2021 Feb.
- The Founding of Education Facility, THE DEWEY SCHOOLS(Hanoi City, Vietnam)
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- Mar.
- Made Takashimaya Facilities Co., Ltd. into a Subsidiary
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- Oct.
- Established TTC LIFESTYLE Co., Ltd.
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- Nagareyama Otakanomori S・C FLAPS Opened
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- Nov.
- NAGAREYAMA OTAKANOMORI GARDENS Azalea Terrace Opened
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- Dec.
- Nihombashi 3 Chome Square (Completed)
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- 2022 Jun.
- Nagareyama Otakanomori S・C ANNEX2 Opened