A.k.a. 吉田保 (Yoshida Tamotsu)
Born in Omiya (Current: Saitama), Saitama, November 06, 1946. Recording Engineer. 1968 ~ Toshiba EMI Recording Unit. 1976 ~ RVC Recording Unit. 1979 ~ CBS/Sony Roppongi Studio Chief Engineer. 1989 ~ Sound Magic Corporation founded. 2007 ~ Management duties entrusted to Mixer's Lab. Brother-in-law Aki Ikuta (生田朗) Younger sister Minako Yoshida (吉田美奈子)