Main use Office Buildings Hotels Medical & Welfare Facilites Halls Museums / Aquariums Exhibitions Educational / Research Facilities Commercial Facilities Sports Facilities Cultural Architectural Monuments Urban Developments / Infrastructures Others Location Aomori Miyagi Akita Yamagata Ibaraki Gunma Chiba Tokyo Kanagawa Niigata Toyama Ishikawa Fukui Yamanashi Nagano Shizuoka Aichi Mie Shiga Kyoto Osaka Hyogo Nara Okayama Hiroshima Ehime Kochi Fukuoka Kumamoto Miyazaki Kagoshima Overseas Chronological 1980's 1990's 2000's 2010's 2020's Services New Constructions Renewals All Others Tokyo Zuisho-ji Architect KENGO KUMA AND ASSOCIATES Services New Constructions Completion 2018 Site area 712㎡ Floors 1 storey above ground Urban Developments / Infrastructures Others Toyama PassiveTown Phase 3, Building K Architect Architectural Design Practice KEY ARCHITECTS Ltd. Services New Constructions Completion 2017 Site area 979㎡ Floors 3 storeys above ground Details Others Ibaraki High Energy Accelerator Research Organization“SuperKEKB” Architect MITSUHASHI SEKKEI Services Extension Completion 2014 Site area 5,146㎡(9 buildings total) Floors 2 storeys above ground Others Shiga Miho Institute of Aesthetics Chapel Architect I.M.Pei Architect・iO Architects LLP・ Masatoyo Ogasawara Architects Services New Constructions Completion 2012 Site area - Floors - Others Chiba Tokyo Flight Kitchens, Ltd.(Flight Kitchen & Hotel) Architect Arcom Services New Constructions Completion 1985 Site area 51,600㎡ Floors 4 storeys above ground and 1 below Others Tokyo U.S. EMBASSY HOUSING & SUPPORT FACILITIES MITSUI PROPERTY TOKYO Architect Harry Weese & Associates Services New Constructions Completion 1983 Site area 62,638㎡ Floors 14 storeys above ground and 2 belows Main use Office Buildings Hotels Medical & Welfare Facilites Halls Museums / Aquariums Exhibitions Educational / Research Facilities Commercial Facilities Sports Facilities Cultural Architectural Monuments Urban Developments / Infrastructures Others Location Aomori Miyagi Akita Yamagata Ibaraki Gunma Chiba Tokyo Kanagawa Niigata Toyama Ishikawa Fukui Yamanashi Nagano Shizuoka Aichi Mie Shiga Kyoto Osaka Hyogo Nara Okayama Hiroshima Ehime Kochi Fukuoka Kumamoto Miyazaki Kagoshima Overseas Chronological 1980's 1990's 2000's 2010's 2020's Services New Constructions Renewals All