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Tokyo, Japan · chuo city, tokyo, japan · Tokyo, Japan


Biotechnology · Data and Analytics · DeepTech · Energy · Hardware · Information Technology · Manufacturing · Sustainability


11-50 employees



founded in


WOTA is developing small-scale decentralized water recycling systems and autonomous control system for water treatment. We Seeks Structural Solutions to the World's Water Crisis Our first product, WOTA BOX, launched in November 2019, is a portable water reclamation treatment plant that can recycle and reuse more than 98% of domestic wastewater.It provides a city-wide water network with a device that is only 0.25 cubic meters in size, enabling continuous water use in situations where there is no water supply, such as when water is cut off due to a disaster. Our second product, ''WOSH,'' announced in July 2020, is a water circulation type hand washing machine that can be installed in places where there is no running water. In addition to hand washing with water, it also has a function to sterilize the surface of smartphones by over 99.9%, contributing to the update of public and space hygiene.

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