Japanese noise music performer. Born November 16, 1966, in Miyazu, Kyoto. Osaka-based artist operates the Coquette label and also a member of the group Christine 23 Onna (along with Fusao Toda from Angel'in Heavy Syrup). He has an analog synthesizer project called Space Machine (around 1998). He was a member of the experimental noise group Flying Testicle with Merzbow, as well as the Japanoise 'super-group' Bustmonster which included Masami Akita from Merzbow on drums. All of Maso's projects draw heavily from psychedelic music. He has played with Runzelstirn & Gurgelstock, Aube, Merzbow, Jojo Hiroshige, Solmania, Boris, YBO2, K.K. Null, Blixa Bargeld, The Stars, Acid Mothers Temple among others...