Tokyo FM is a station that is an affiliate of Japan FM Network (JFN), founded in 1981. Many radio stations in Japan are run by the network and are sometimes known as Tokyo FM or their local syndicates. 
Links to Peel
In 1986, Peel recorded a programme for Radio Tokyo FM on a show called Suntory Sound Market, presumably when he was in Japan during October/November of that year. The show was broadcast on 19th January 1987, where Peel choose 11 Japanese records that he bought in the country that he liked.