The Tokyo Stadium, currently known as Ajinomoto Stadium (味の素スタジアム, Ajinomoto Sutajiamu; or simply Ajisuta) for sponsorship reasons, is a multi-purpose stadium in Chōfu, Tokyo, Japan. The stadium was founded at Kantō Mura, the redevelopment area formerly used by United States Forces Japan, in March 2001. It was the first stadium in Japan that sold its naming rights, which went to Ajinomoto Co., Inc. on a five-year, 1. Wikipedia