Following these early exposures to the industry, Fukuda became a frequently employed studio musician - he went from playing for artists such as Kodomo Band, Shogo Hamada, Kozo Murashita, Yoshiyuki Ohzawa to then-contemporary pop figures such as Shibugakitai, Seiko Matsuda and Ryoko Sano. As a studio player, he has participated in the recording of over a thousand songs. Also during this period, he collaborated with fellow synthesist Noritaka Ubukata in the development of a sound patch for the Yamaha DX7 digital synthesizer called "Shofuku", which was released in 1984. Shofuku later became the name of a recording unit featuring the two musicians in 1988. Fukuda also penned books documenting the DX7's programmable synthesis, one of which, "Yamaha DX7 Digital Synthesizer", was translated and sold in the West.
