Hi,

It looks a three-wheel bicycle which is common and allowed on the street in Japan.  So it would be OK on the street.

However, as already mentioned, it would be difficult to bring it into the train, buses, restrooms and restaurants.

Hi,

As long as I know, nobody is allowed to drive Segway here in Japan, except the cases where the special permission are given by the road traffic law, such as special events or experimental researches how Segway works on public roads.  It’s not a good information for you and your student, sorry to say.

I will check the latest regulation… Read more

Hi,

The voltage here in Japan is 100v and 50 hertz in East part of Japan such as Tokyo.  West part of Japan such as Osaka, Kyoto is 100v and 60 hertz.

A voltage converting unit from 240/230 down to 100V along with an adapter should work,

Check this page for more details.
https://www.accessible-japan.com/voltage-japan-wheelchair-battery-chargers/

Wilgo