There are at least five bands / musicians called X-Ray.
Ｘ-Ｒａｙ (Heavy Metal) became active in Kansai, Japan in March of 1982. Their first full-length studio album named "Hard Section" was released on June 21st of 1983.
Akira Fujimoto: Vocals
Shin Yuasa: Guitar
Takafumi Usui: Bass
Kazuhisa Takahashi: Drums