The Tokyo Toilet | Nanago Dori Park | Hi Toilet - a “contactless” toilet | Disruption Lab Team

Tokyo Toilet_2-53-5 Hatagaya Tokyo / Japan / 2021

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My inspiration to design a fully voice activated toilet came about after much research and reading around users' behaviours in public toilets across Europe and the US to avoid contact with the surface; 60% stepping on toilet levers to flush, 50% opening the door with toilet paper, 40% closing the door with hip, 30% avoiding hand-contact as much as possible by using elbow.


After three years of research, planning and designing, we came up with the concept of the VOICE COMMAND Toilet, “Hi Toilet” where all commands were activated by voice. This idea has been in place long before the arrival of COVID-19, but COVID accelerated the acceptance of this unique user experience in terms of “toilets being contactless”. If this toilet could deliver a “Clean City Tokyo” image to the world, I would be extremely happy.


Assistance on Structure Design: Kubo Tsushima Architects
Assistance on Voice Command: Birdman



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The Nippon Foundation’s THE TOKYO TOILET project is building public toilets that can be used by anyone.
The project is building new toilets at 17 locations in Shibuya, Tokyo, as a way of moving toward the realization of a society that embraces diversity.

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    My inspiration to design a fully voice activated toilet came about after much research and reading around users' behaviours in public toilets across Europe and the US to avoid contact with the surface; 60% stepping on toilet levers to flush, 50% opening the door with toilet paper, 40% closing the door with hip, 30% avoiding hand-contact as much as possible by using elbow. After three years of research, planning and designing, we came up with the concept of the VOICE COMMAND Toilet, “Hi...

    Project details
    • Year 2021
    • Work finished in 2021
    • Status Completed works
    • Type Service stations
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