Kazoo Sato + Disruption Lab Team Designed Voice-Controlled Public Toilet in Tokyo

New public restroom block in Tokyo designed by Japanese creative director Kazoo Sato perfectly fits the current pandemic of COVID-19. The designer calls it a contactless toilet because all its functions, from door opening to flushing, are controlled by voice. A voice recognition system utilizes several microphones installed both inside and outside the building.

“Hi Toilet” is located in Nanago Dori Park in the heart of the Shibuya financial district. The hemispherical structure is the latest addition to The Tokyo Toilet project, an initiative by Nippon Foundation to replace old public squat toilets in the Japanese capital with new state-of-art designs.

Kazoo Sato + Disruption Lab Team Designed Voice-Controlled Public Toilet in Tokyo
Kazoo Sato + Disruption Lab Team Designed Voice-Controlled Public Toilet in Tokyo
Kazoo Sato + Disruption Lab Team Designed Voice-Controlled Public Toilet in Tokyo
Kazoo Sato + Disruption Lab Team Designed Voice-Controlled Public Toilet in Tokyo
Kazoo Sato + Disruption Lab Team Designed Voice-Controlled Public Toilet in Tokyo
Kazoo Sato + Disruption Lab Team Designed Voice-Controlled Public Toilet in Tokyo
Kazoo Sato + Disruption Lab Team Designed Voice-Controlled Public Toilet in Tokyo
Kazoo Sato + Disruption Lab Team Designed Voice-Controlled Public Toilet in Tokyo
Kazoo Sato + Disruption Lab Team Designed Voice-Controlled Public Toilet in Tokyo
Kazoo Sato + Disruption Lab Team Designed Voice-Controlled Public Toilet in Tokyo
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Sato says that this idea appeared long before the arrival of COVID-19. The designer was inspired by users’ behavior in public toilets across Europe and the United States. A study found that most of them prefer to avoid contact with toilet surfaces. For example, 60% step on levers to flush, 50% open doors with toilet paper, 40% close doors with a hip, and 30% avoid hand contact as much as possible by using their elbows.

A hemispherical shape of the structure enhances internal airflow and allows effectively ventilating unpleasant smells. The designer also chose the white color for all the surfaces to emphasize the cleanliness of the toilet.

DIAGRAMS
LOCATION ON MAP
PROJECT DATA

PROJECT TITLE: “Hi Toilet”
LOCATION: Nanago Dori Park, Shibuya, Tokyo
YEAR: 2021
DESIGN: Kazoo Sato + Disruption Lab Team
ASSISTANCE ON STRUCTURE DESIGN: Kubo Tsushima Architects
ASSISTANCE ON VOICE COMMAND: Birdman

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