Its headquarters are in Minato , Tokyo .
AT - X , Inc. was founded on June 26 , 2000 as a subsidiary of TV Tokyo Medianet , which , in turn , is a subsidiary of TV Tokyo ( TXN ) .
AT - X 's headquarters are in Minato , Tokyo .
AT - X , Inc. was founded on June 26 , 2000 as a subsidiary of TV Tokyo Medianet , which , in turn , is a subsidiary of TV Tokyo ( TXN ) .