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 Office Buildings Gunma kawaba BASE(Kawaba village office, etc.) Architect Plants Associates Inc. Services New Constructions Completion 2023 Site area 4,764㎡ Floors 2 storeys above ground and 1 belows Cultural Architectural Monuments Gunma The West Cocoon Warehouse of Tomioka Silk Mill, a National Treasure Architect The Japanese Association for Conservation of Architectural Monuments Services Renewals(Cultural Property/National Tresure) Completion 2020 Site area - Floors - Award Practical Achievement Division and Architectural Design Division of AIJ Prize 2022 Office Buildings Gunma Tomioka City Hall Architect KENGO KUMA AND ASSOCIATES Services New Constructions Completion 2018 Site area 8,681㎡ Floors 3 storeys above ground 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