Japan Japan · 35.713, 139.762 (approximate location)

UTST

UTST, a fusion device (tokamak) in Japan, operated by The University of Tokyo. Operating.

It is one of the 19 research reactors operating in Japan.

Country
Japan
City
Type
Fusion device · Tokamak
Confinement
Spherical Tokamak
Operator
The University of Tokyo
Status
Operating
First plasma

Data: IAEA FusDIS · updated on Sep 5, 2026

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