PROJECTS
Commercial Building in Shimokitazawa “REVE SQUARE SHIMOKITAZAWA”
2026.02
Setagaya-ku, Tokyo
Commercial Building in Shinjuku 3-chome “TRES SHINJUKU”
2026.01
Shinjuku-ku, Tokyo
Sangenjaya Commercial Building “THE CITY SANGENJAYA”
2025.11
EQUiA Koshigaya Phase II East Area
2025.10
Koshigaya-shi, Saitama
Azabu Slanting Light House
2025.08
Minato-ku, Tokyo
Cookpad Ikejiri Office
Meguro-ku, Tokyo
Shinanomachi Residence “ZOOM Shinanomachi”
2025.07
Nakameguro Residence “Aulii Nakameguro”
2025.06
Fukasawa Commercial Building “Fukasawa Grand Bloss”
2025.04
Three Wing House in Toyama
2025.03
Toyamakentoyama-shi Toyama
Clerestory Garden at Naka-Ikebukuro Park
2025.01
Toshima-ku, Tokyo
Setup Office in Minami-Aoyama
Shinjuku Gyoemmae Residence “ZOOM Shinjuku Gyoemmae”
2024.09
Shin Okachimachi Residence
2024.06
Taito-ku, Tokyo
Nakajo Open Innovation Lab
2024.05
Tainai, Niigata
Azabu Perforated Facade House
2024.01
EQUiA Koshigaya North
2023.12
Koshigaya, Saitama
Goshikidai Memorial Park Tree Burial Ground Forest Cemetery ‘Trail of Conversation’
2023.10
Kimino-cho, Wakayama
Shimokitazawa Terrace Building
CHARLES & KEITH Shijyo Kawaramachi
2023.07
Kyoto, Kyoto
Juzen Chemical Corporation Head Office Building
2023.03
Toyama, Toyama
Ikebukuro Terrace Building
2022.12
Kaminarimon Building
2022.09
Hayama Huts
2022.06
Miura, Kanagawa
Inagawa Cemetery Forest Memorial Site “Watch Over Hill” Forest Memorial
2022.4
Inagawa-cho, Hyogo
Ginza Extra Small Building
2022.03
Ginza, Chuo-ku, Tokyo
SHINBASHI BACK STREET BUILDING
2021.10
Sakuragicho Residence “ZOOM Yokohama Sakuragicho”
2021.05
Yokohama, Kanagawa
Kannai Blade Residence “ZOOM Yokohama Kannai”
2021.03
Fudomae Voids
2020.07
Social Good Roasters Chiyoda
2018.07
Chiyoda-ku, Tokyo
Kanda Terrace
2017.11
Inagawa Cemetery chapel and visitor centre
2017.05
Musashino-kan Shinjuku
2016.11
Inagawa Cemetery Warehouse
2015.10
Komachi Building
2013.12
Shibuya-ku, Tokyo
yotsuya tenera
2010.12
NEWS
Sorry, this entry is only available in JP.
We have uploaded “Higashi Ikebukuro Terrace Building”.
We have uploaded “Kaminarimon Building”.
Key Operation Inc. is an architectural design practice directed by Akira Koyama based in Tokyo, Japan.
We can provide the design and project management services for various type of projects such as private houses, collective housing, offices, commercial buildings, complex buildings.
Publications from Key Operation.