Projects
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HUNCH
Ota-ku,Tokyo, 2017
The entire 43-year-old building was renovated into an artist's share atelier. Along with seismic reinforcement with haunches and braces...
Akira Koyama / Key Operation Inc.
Flat Hiro-o
Tokyo, 2006
A renovation of a 20 years old Flat, where expansion of the Living, Dining and Kitchen space was hindered by existing structural walls: ...
Akira Koyama / Key Operation Inc.
Flat Double Decker
Tokyo, 2009
A renovation of a 20-years-old flat of 30m2 for a family of two. In order to ensure privacy for the mother and the child, the proposal f...
Akira Koyama / Key Operation Inc.
House Koganei
Tokyo, 2012
This three storey house is 10 years old residence with a precast concrete structure. We have renovated a part of 2nd and 3rd floor as an ...
Akira Koyama / Key Operation Inc.
REVILLA Todoroki Model room
Tokyo, 2013
This is a model room for the full renovation of one entire 26 years old condominium. The theme was how to make the space feel wide and op...
Akira Koyama / Key Operation Inc.
REVILLA Todoroki ROOM 306
Tokyo, 2013
This is one of the flats of the 26 years old used condominium designed for a couple and their children. Adjacent to the entrance is the a...
Akira Koyama / Key Operation Inc.
Flat Fujimi
Tokyo, 2014
This is furnishing project for single-family who just moved into new luxury residential tower in Tokyo. It is composed of 2 bedrooms, 1 ...
Akira Koyama / Key Operation Inc.
Flat Unoki
Tokyo, 2015
A renovation of 16 years old flat for a couple in their 30s. The plan is re-organized from a typical 3LDK to a spacious 1LDK. The entranc...
Hiroaki Iwasa Architects Workshop
Flat-Nishiwaseda Renovation
Shinjyuku-ku Tokyo, 2016
This project is a renovation plan for the owner's maisonette on the top floor of the pencil building along the arterial road. The two flo...
H2O Design Associates
Ku-Ra-Sou House
Tokyo, 2011
Tokyo Gas Co.’s Ku-Ra-Sou House is a model residence showcasing new lifestyle ideas based on the use of natural gas and solar energ...
Akira Koyama / Key Operation Inc.
ReNOA Motosumiyoshi 301
Kanagawa, 2011
This flat is part of a project to fully renovate a 21-year-old building formerly used to house company employees. Aside from the kitchen ...
Akira Koyama / Key Operation Inc.
ReNOA Motosumiyoshi 103
Kanagawa, 2011
This flat is part of a project to fully renovate a 21-year-old building formerly used to house company employees. The floor plan is divid...
Akira Koyama / Key Operation Inc.
Flat floating box
Tokyo, 2009
A renovation of a 30-years-old flat for a couple in their fifties. his flat had a triangle-shape plan, which is as same as Flat Himonya ...
H2O Design Associates
Grand Heights Shirokane
Tokyo, 2007
Renovation of an apartment complex in Shirokane. Through the use of flexible screens, we were able to control the amount of natural light...
Hirotaka Sato Architectural Design Office
snow country garage
Niigata, 2007
A garage built in a heavy snowfall area in Niigata Prefecture. It is a two-story wooden structure, and the first floor is used as a garag...
Daigo Ishii + Future-scape Architects
Tendo PLY
Tokyo, 2004
This project was an interior renovation of one floor of an old building that had been in use, without maintenance, for 40 years. The reno...